diff --git a/CHANGES.txt b/CHANGES.txt
index 7c0a1856..31cca19c 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,13 +1,30 @@
-libcryptsetup-rs 0.8.1 (UNRELEASED)
+libcryptsetup-rs 0.9.0 (UNRELEASED)
 ===================================
-Recommended Rust toolchain version: 1.70.0
-Lowest supported Rust toolchain version: 1.69.0
+Recommended Rust toolchain version: 1.72.0
+Lowest supported Rust toolchain version: 1.71.1
 Recommended development environment: Fedora 38
 
+- Add submodule and use per-thread-mutex for synchronization:
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/313
+
+- Increase bitflags dependency lower bound to 2.3.0:
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/316
+
 - Increase libc dependency lower bound to 0.2.143:
   https://github.com/stratis-storage/libcryptsetup-rs/pull/304
 
 - Tidies and Maintenance:
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/317
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/316
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/315
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/314
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/312
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/311
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/310
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/309
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/308
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/307
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/306
   https://github.com/stratis-storage/libcryptsetup-rs/pull/305
   https://github.com/stratis-storage/libcryptsetup-rs/pull/303
   https://github.com/stratis-storage/libcryptsetup-rs/pull/301