diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index 8a94ab1..ecb14fc 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -35,7 +35,7 @@ jobs:
           fetch-depth: 0  # Full history for baseline comparison
 
       - name: Setup Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@v1
+        uses: actions-rust-lang/setup-rust-toolchain@v2
         with:
           cache: true
 
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 0e64433..79679eb 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v3
+        uses: github/codeql-action/init@v4
         with:
           languages: 'rust'
           # Note: CodeQL Rust extractor has known limitations:
@@ -66,7 +66,7 @@ jobs:
         # These do not indicate code issues (verified by cargo check/clippy) and do not impact security coverage.
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v3
+        uses: github/codeql-action/analyze@v4
         # Analysis uploads results to GitHub Security tab.
         # Coverage: ~97% of Rust files successfully extracted (excellent for Rust projects)
         # Unparsed files: Test code only (assertions, utilities), no production logic affected