diff --git a/.github/workflows/ci-smoke.yml b/.github/workflows/ci-smoke.yml
index 8e375ac..5e82a4e 100644
--- a/.github/workflows/ci-smoke.yml
+++ b/.github/workflows/ci-smoke.yml
@@ -41,7 +41,7 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
 
       - name: Cache cargo registry + git index
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: |
             ~/.cargo/registry
@@ -51,7 +51,7 @@ jobs:
             ${{ runner.os }}-cargo-
 
       - name: Cache cargo target
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: target
           key: ${{ runner.os }}-target-${{ hashFiles('**/Cargo.lock') }}