diff --git a/platforms/cli/Cargo.lock b/platforms/cli/Cargo.lock
index ff243788..0d96c31a 100644
--- a/platforms/cli/Cargo.lock
+++ b/platforms/cli/Cargo.lock
@@ -611,7 +611,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "async-channel",
- "base64 0.22.1",
+ "base64 0.23.1",
  "blake3",
  "chrono",
  "crossbeam-channel",
diff --git a/platforms/windows/src/engine/Cargo.toml b/platforms/windows/src/engine/Cargo.toml
index 8252a94a..7fc0123e 100644
--- a/platforms/windows/src/engine/Cargo.toml
+++ b/platforms/windows/src/engine/Cargo.toml
@@ -34,7 +34,7 @@ parking_lot = "0.12"
 # Serialization — IPC protocol, settings, structured logs.
 serde      = { version = "1", features = ["derive"] }
 serde_json = { version = "1", features = ["preserve_order"] }
-base64     = "0.22"
+base64     = "0.23"
 uuid       = { version = "1", features = ["v4", "serde"] }
 # 0.4.20+ for RUSTSEC-2020-0071 / RUSTSEC-2020-0159 (panic-on-invalid-timestamp + localtime_r soundness).
 chrono     = { version = "0.4.20", features = ["serde"] }