diff --git a/.github/workflows/security-audit.yml b/.github/workflows/security-audit.yml
index 5c90df8..9f5c14c 100644
--- a/.github/workflows/security-audit.yml
+++ b/.github/workflows/security-audit.yml
@@ -31,7 +31,7 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
 
       - name: Cache cargo-audit
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cargo/bin/cargo-audit
           key: ${{ runner.os }}-cargo-audit-${{ hashFiles('**/Cargo.lock') }}