diff --git a/Cargo.lock b/Cargo.lock
index 3847c03..44c8fcf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6398,11 +6398,12 @@ dependencies = [
 
 [[package]]
 name = "serial_test"
-version = "3.2.0"
+version = "3.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b258109f244e1d6891bf1053a55d63a5cd4f8f4c30cf9a1280989f80e7a1fa9"
+checksum = "0d0b343e184fc3b7bb44dff0705fffcf4b3756ba6aff420dddd8b24ca145e555"
 dependencies = [
- "futures",
+ "futures-executor",
+ "futures-util",
  "log",
  "once_cell",
  "parking_lot 0.12.5",
@@ -6412,9 +6413,9 @@ dependencies = [
 
 [[package]]
 name = "serial_test_derive"
-version = "3.2.0"
+version = "3.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d69265a08751de7844521fd15003ae0a888e035773ba05695c5c759a6f89eef"
+checksum = "6f50427f258fb77356e4cd4aa0e87e2bd2c66dbcee41dc405282cae2bfc26c83"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/crates/encryption/Cargo.toml b/crates/encryption/Cargo.toml
index 0052a1d..b65570e 100644
--- a/crates/encryption/Cargo.toml
+++ b/crates/encryption/Cargo.toml
@@ -32,7 +32,7 @@ subtle = { workspace = true }
 [dev-dependencies]
 proptest = { version = "^1.8.0" } # Tier2 dev-only per docs/dependency-security.md
 rand = { version = "^0.9.2" }  # For generating test keys
-serial_test = { version = "^3.2.0" }
+serial_test = { version = "^3.3.1" }
 
 [features]
 default = ["std"]