diff --git a/Cargo.lock b/Cargo.lock
index 64806b345..f2860119e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -693,9 +693,9 @@ checksum = "486f806e73c5707928240ddc295403b1b93c96a02038563881c4a2fd84b81ac4"
 
 [[package]]
 name = "flatbuffers"
-version = "24.3.25"
+version = "25.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8add37afff2d4ffa83bc748a70b4b1370984f6980768554182424ef71447c35f"
+checksum = "744fff4a025a51bc620d8427474693aa2af4534a3b3610aabfb07a3968dacaa9"
 dependencies = [
  "bitflags 1.3.2",
  "rustc_version",
diff --git a/src/hyperlight_common/Cargo.toml b/src/hyperlight_common/Cargo.toml
index b0ff2c145..20726562d 100644
--- a/src/hyperlight_common/Cargo.toml
+++ b/src/hyperlight_common/Cargo.toml
@@ -15,7 +15,7 @@ Hyperlight's components common to host and guest.
 workspace = true
 
 [dependencies]
-flatbuffers = { version = "24.3.25", default-features = false }
+flatbuffers = { version = "25.1.21", default-features = false }
 anyhow = { version = "1.0.94", default-features = false }
 log = "0.4.20"
 tracing = { version = "0.1.41", optional = true }
diff --git a/src/hyperlight_host/Cargo.toml b/src/hyperlight_host/Cargo.toml
index ac97790d2..e6ea4900a 100644
--- a/src/hyperlight_host/Cargo.toml
+++ b/src/hyperlight_host/Cargo.toml
@@ -26,7 +26,7 @@ rand = { version = "0.8.5" }
 cfg-if = { version = "1.0.0" }
 libc = { version = "0.2.169" }
 paste = "1.0"
-flatbuffers = "24.3.25"
+flatbuffers = "25.1.21"
 page_size = "0.6.0"
 termcolor = "1.2.0"
 bitflags = "2.8.0"