diff --git a/.github/workflows/security-audit.yml b/.github/workflows/security-audit.yml
index 6ac6c20..ef4445a 100644
--- a/.github/workflows/security-audit.yml
+++ b/.github/workflows/security-audit.yml
@@ -49,7 +49,7 @@ jobs:
 
     # Cache cargo-deny for faster runs
     - name: Cache cargo-deny
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: ~/.cargo/bin/cargo-deny
         key: ${{ runner.os }}-cargo-deny