diff --git a/Cargo.lock b/Cargo.lock
index edf95aa..383cdf5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -714,6 +714,12 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "base64"
+version = "0.23.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac07cdecf99051d9a5238b80f35af32cdeba5b336e55d957b318b50137e18da5"
+
 [[package]]
 name = "base64-simd"
 version = "0.8.0"
@@ -1514,7 +1520,7 @@ version = "1.0.0-rc.1"
 dependencies = [
  "aes-gcm",
  "argon2",
- "base64 0.22.1",
+ "base64 0.23.1",
  "fcp-fabric-domain",
  "hmac 0.12.1",
  "rand_core 0.6.4",
@@ -1548,7 +1554,7 @@ dependencies = [
  "aws-config",
  "aws-sdk-kms",
  "axum",
- "base64 0.22.1",
+ "base64 0.23.1",
  "ed25519-dalek",
  "fcp-fabric-auth",
  "fcp-fabric-domain",
diff --git a/Cargo.toml b/Cargo.toml
index 1770c06..fd46b08 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ aes-gcm = { version = "0.10.3", features = ["aes", "zeroize"] }
 argon2 = { version = "0.5.3", features = ["std"] }
 async-trait = "0.1"
 axum = { version = "0.8.6", features = ["json", "macros"] }
-base64 = "0.22"
+base64 = "0.23"
 bytes = "1.10"
 clap = { version = "4.5.53", features = ["derive", "env"] }
 hmac = "0.12.1"