diff --git a/Cargo.lock b/Cargo.lock
index 0884401..8da553b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1966,7 +1966,7 @@ dependencies = [
  "async-trait",
  "blake3",
  "cipher",
- "cpufeatures 0.2.17",
+ "cpufeatures 0.3.0",
  "hex",
  "hmac",
  "poly1305",
diff --git a/Cargo.toml b/Cargo.toml
index c5ed55c..201e54f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -82,7 +82,7 @@ aes = { version = "=0.8.4" } # 2025-11-03 sw: AES-NI optimized, matches Phase3 d
 cipher = { version = "=0.4.4" } # 2025-11-03 sw: trait glue for AES/Poly1305 stack
 xts-mode = { version = "=0.5.1" } # 2025-11-03 sw: XTS primitive, matches patentable_concepts.md guidance
 poly1305 = { version = "=0.8.0" } # 2025-11-03 sw: MAC verification, constant-time guarantee
-cpufeatures = { version = "=0.2.17" } # 2025-11-03 sw: runtime AES capability detection
+cpufeatures = { version = "=0.3.0" } # 2025-11-03 sw: runtime AES capability detection
 subtle = { version = "=2.6.1" } # 2025-11-03 sw: constant-time comparisons for key/tweak handling
 hmac = { version = "=0.12.1" } # 2025-11-04 sw: HKDF based on HMAC-SHA256 for key derivation
 sha2 = { version = "=0.10.9" } # 2025-11-04 sw: Hash core for HKDF extractor