diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e248686..61faf48 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,7 +38,7 @@ jobs:
         components: rustfmt, clippy
 
     - name: Cache cargo registry
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           ~/.cargo/registry
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5706bec..1f0b6db 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -86,7 +86,7 @@ jobs:
           targets: ${{ matrix.target }}
 
       - name: Cache cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry