diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index ca8cdb8..5bfcef7 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -88,7 +88,7 @@ jobs:
         id: msrv-toolchain
         if: matrix.rust.name == 'MSRV'
       # on non-msrv runs, use one cache key ...
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/git
@@ -97,7 +97,7 @@ jobs:
           key: "${{runner.os}} Rust ${{steps.rust-toolchain.outputs.cachekey}}"
         if: matrix.rust.name != 'MSRV'
       # ... and on msrv runs, use another
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/git
@@ -157,7 +157,7 @@ jobs:
         with:
           toolchain: ${{matrix.rust.toolchain}}
         id: rust-toolchain
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/git
@@ -200,7 +200,7 @@ jobs:
       - name: Get Tarpaulin Version
         id: tarpaulin-version
         run: echo "version=$(wget -qO- 'https://crates.io/api/v1/crates/cargo-tarpaulin' | jq -r '.crate.max_stable_version')" >>$GITHUB_OUTPUT
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/cargo-tarpaulin