diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 003cc3aa8..719f6125f 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -39,7 +39,7 @@ jobs:
           components: rustfmt, clippy
       
       - name: Setup cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry
diff --git a/.github/workflows/security_audit.yml b/.github/workflows/security_audit.yml
index f1716eb07..1a897c632 100644
--- a/.github/workflows/security_audit.yml
+++ b/.github/workflows/security_audit.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v6
       - name: Setup cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry