diff --git a/Cargo.lock b/Cargo.lock
index 82ade2096..7103c2d5b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -841,9 +841,9 @@ checksum = "1ced73b1dacfc750a6db6c0a0c3a3853c8b41997e2e2c563dc90804ae6867959"
 
 [[package]]
 name = "flatbuffers"
-version = "25.2.10"
+version = "25.9.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1045398c1bfd89168b5fd3f1fc11f6e70b34f6f66300c87d44d3de849463abf1"
+checksum = "09b6620799e7340ebd9968d2e0708eb82cf1971e9a16821e2091b6d6e475eed5"
 dependencies = [
  "bitflags 2.9.4",
  "rustc_version",
diff --git a/src/hyperlight_common/Cargo.toml b/src/hyperlight_common/Cargo.toml
index da6e90aaa..93854f5d9 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 = "25.2.10", default-features = false }
+flatbuffers = { version = "25.9.23", default-features = false }
 anyhow = { version = "1.0.100", default-features = false }
 log = "0.4.28"
 tracing = { version = "0.1.41", optional = true }
diff --git a/src/hyperlight_guest/Cargo.toml b/src/hyperlight_guest/Cargo.toml
index 31d872092..e15b1e996 100644
--- a/src/hyperlight_guest/Cargo.toml
+++ b/src/hyperlight_guest/Cargo.toml
@@ -16,7 +16,7 @@ anyhow = { version = "1.0.100", default-features = false }
 serde_json = { version = "1.0", default-features = false, features = ["alloc"] }
 hyperlight-common = { workspace = true }
 hyperlight-guest-tracing = { workspace = true, default-features = false }
-flatbuffers = { version= "25.2.10", default-features = false }
+flatbuffers = { version= "25.9.23", default-features = false }
 
 [features]
 default = []
diff --git a/src/hyperlight_host/Cargo.toml b/src/hyperlight_host/Cargo.toml
index 2f83a4a06..6d6d529c2 100644
--- a/src/hyperlight_host/Cargo.toml
+++ b/src/hyperlight_host/Cargo.toml
@@ -27,7 +27,7 @@ goblin = { version = "0.10", default-features = false, features = ["std", "elf32
 rand = { version = "0.9" }
 cfg-if = { version = "1.0.3" }
 libc = { version = "0.2.176" }
-flatbuffers = "25.2.10"
+flatbuffers = "25.9.23"
 framehop = { version = "0.15.0", optional = true }
 fallible-iterator = { version = "0.3.0", optional = true }
 blake3 = "1.8.2"