diff --git a/zirgen/components/bits.cpp b/zirgen/components/bits.cpp
index ac9fee12..83759f5c 100644
--- a/zirgen/components/bits.cpp
+++ b/zirgen/components/bits.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/bits.h"
 
diff --git a/zirgen/components/bits.h b/zirgen/components/bits.h
index 88550c3e..949d97c3 100644
--- a/zirgen/components/bits.h
+++ b/zirgen/components/bits.h
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #pragma once
 
diff --git a/zirgen/components/bytes.cpp b/zirgen/components/bytes.cpp
index 479f3651..6b5790b7 100644
--- a/zirgen/components/bytes.cpp
+++ b/zirgen/components/bytes.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/bytes.h"
 
diff --git a/zirgen/components/bytes.h b/zirgen/components/bytes.h
index 53806c2f..da0b80b0 100644
--- a/zirgen/components/bytes.h
+++ b/zirgen/components/bytes.h
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #pragma once
 
diff --git a/zirgen/components/fpext.cpp b/zirgen/components/fpext.cpp
index bc167370..d68a48f9 100644
--- a/zirgen/components/fpext.cpp
+++ b/zirgen/components/fpext.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "fpext.h"
 
diff --git a/zirgen/components/fpext.h b/zirgen/components/fpext.h
index a7d61880..5a37fec7 100644
--- a/zirgen/components/fpext.h
+++ b/zirgen/components/fpext.h
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #pragma once
 
diff --git a/zirgen/components/iszero.cpp b/zirgen/components/iszero.cpp
index fda85af0..86b7c543 100644
--- a/zirgen/components/iszero.cpp
+++ b/zirgen/components/iszero.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/iszero.h"
 
diff --git a/zirgen/components/iszero.h b/zirgen/components/iszero.h
index fec2d7e3..1c87631a 100644
--- a/zirgen/components/iszero.h
+++ b/zirgen/components/iszero.h
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #pragma once
 
diff --git a/zirgen/components/mux.h b/zirgen/components/mux.h
index 7540b1c8..adf4566a 100644
--- a/zirgen/components/mux.h
+++ b/zirgen/components/mux.h
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #pragma once
 
diff --git a/zirgen/components/onehot.cpp b/zirgen/components/onehot.cpp
index c6596b73..e9177fba 100644
--- a/zirgen/components/onehot.cpp
+++ b/zirgen/components/onehot.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/onehot.h"
 
diff --git a/zirgen/components/onehot.h b/zirgen/components/onehot.h
index 0c338e33..c3e733cf 100644
--- a/zirgen/components/onehot.h
+++ b/zirgen/components/onehot.h
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #pragma once
 
diff --git a/zirgen/components/plonk.cpp b/zirgen/components/plonk.cpp
index 6cc272ba..c9650ac1 100644
--- a/zirgen/components/plonk.cpp
+++ b/zirgen/components/plonk.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "mlir/Support/DebugStringHelper.h"
 #include "llvm/Support/FormatVariadic.h"
diff --git a/zirgen/components/plonk.h b/zirgen/components/plonk.h
index d9015a0c..199117b0 100644
--- a/zirgen/components/plonk.h
+++ b/zirgen/components/plonk.h
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #pragma once
 
diff --git a/zirgen/components/ram.cpp b/zirgen/components/ram.cpp
index 4501d8f2..6fabedd4 100644
--- a/zirgen/components/ram.cpp
+++ b/zirgen/components/ram.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/ram.h"
 
diff --git a/zirgen/components/ram.h b/zirgen/components/ram.h
index cc75742e..f08e8ec2 100644
--- a/zirgen/components/ram.h
+++ b/zirgen/components/ram.h
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #pragma once
 
diff --git a/zirgen/components/reg.h b/zirgen/components/reg.h
index 765f2ec3..60fcd324 100644
--- a/zirgen/components/reg.h
+++ b/zirgen/components/reg.h
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #pragma once
 
diff --git a/zirgen/components/test/bits.cpp b/zirgen/components/test/bits.cpp
index 36f870f5..0f6e299b 100644
--- a/zirgen/components/test/bits.cpp
+++ b/zirgen/components/test/bits.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/bits.h"
 
diff --git a/zirgen/components/test/bytes.cpp b/zirgen/components/test/bytes.cpp
index e9ca578a..99f2f19b 100644
--- a/zirgen/components/test/bytes.cpp
+++ b/zirgen/components/test/bytes.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/bytes.h"
 
diff --git a/zirgen/components/test/fpext.cpp b/zirgen/components/test/fpext.cpp
index fb177448..4518ce34 100644
--- a/zirgen/components/test/fpext.cpp
+++ b/zirgen/components/test/fpext.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/fpext.h"
 
diff --git a/zirgen/components/test/mux.cpp b/zirgen/components/test/mux.cpp
index 35759a25..ea8fda1b 100644
--- a/zirgen/components/test/mux.cpp
+++ b/zirgen/components/test/mux.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/mux.h"
 
diff --git a/zirgen/components/test/onehot.cpp b/zirgen/components/test/onehot.cpp
index c01d1290..e017f527 100644
--- a/zirgen/components/test/onehot.cpp
+++ b/zirgen/components/test/onehot.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/onehot.h"
 
diff --git a/zirgen/components/test/plonk.cpp b/zirgen/components/test/plonk.cpp
index 467047ba..624042e1 100644
--- a/zirgen/components/test/plonk.cpp
+++ b/zirgen/components/test/plonk.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/plonk.h"
 
diff --git a/zirgen/components/test/ram.cpp b/zirgen/components/test/ram.cpp
index ab6da2e2..4c3835f8 100644
--- a/zirgen/components/test/ram.cpp
+++ b/zirgen/components/test/ram.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/ram.h"
 
diff --git a/zirgen/components/test/reg.cpp b/zirgen/components/test/reg.cpp
index 9dededb4..c5b3b9c0 100644
--- a/zirgen/components/test/reg.cpp
+++ b/zirgen/components/test/reg.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/reg.h"
 #include "zirgen/components/fpext.h"
diff --git a/zirgen/components/test/test_runner.cpp b/zirgen/components/test/test_runner.cpp
index 7df3ef07..4c4f075f 100644
--- a/zirgen/components/test/test_runner.cpp
+++ b/zirgen/components/test/test_runner.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/test/test_runner.h"
 
diff --git a/zirgen/components/test/test_runner.h b/zirgen/components/test/test_runner.h
index 0577fe8f..fbb8f336 100644
--- a/zirgen/components/test/test_runner.h
+++ b/zirgen/components/test/test_runner.h
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #pragma once
 
diff --git a/zirgen/components/test/test_with_bytes.h b/zirgen/components/test/test_with_bytes.h
index d7917e7b..20da96a6 100644
--- a/zirgen/components/test/test_with_bytes.h
+++ b/zirgen/components/test/test_with_bytes.h
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #pragma once
 
diff --git a/zirgen/components/test/u32.cpp b/zirgen/components/test/u32.cpp
index 57eda1af..adeb88e6 100644
--- a/zirgen/components/test/u32.cpp
+++ b/zirgen/components/test/u32.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "zirgen/components/u32.h"
 
diff --git a/zirgen/components/u32.cpp b/zirgen/components/u32.cpp
index 8033f3b8..64b4ce22 100644
--- a/zirgen/components/u32.cpp
+++ b/zirgen/components/u32.cpp
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "u32.h"
 
diff --git a/zirgen/components/u32.h b/zirgen/components/u32.h
index 68157688..c6b1ec43 100644
--- a/zirgen/components/u32.h
+++ b/zirgen/components/u32.h
@@ -1,6 +1,16 @@
-// Copyright (c) 2024 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
-// All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #pragma once