diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 535e28d..965545a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -58,7 +58,7 @@ jobs:
             sudo apt-get install --yes --no-install-recommends shellcheck
           fi
           shellcheck --severity=warning scripts/setup_wsl.sh
-      - uses: actions/cache@caa296126883cff596d87d8935842f9db880ef25 # v5.1.0
+      - uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: |
             ~/.cargo/registry/index
@@ -91,7 +91,7 @@ jobs:
           rustc --version
           cargo --version
           printf 'cache-id=%s\n' "$(rustc -vV | sha256sum | cut -d ' ' -f 1)" >> "$GITHUB_OUTPUT"
-      - uses: actions/cache@caa296126883cff596d87d8935842f9db880ef25 # v5.1.0
+      - uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: |
             ~/.cargo/registry/index
@@ -124,7 +124,7 @@ jobs:
           rustc --version
           cargo --version
           printf 'cache-id=%s\n' "$(rustc -vV | sha256sum | cut -d ' ' -f 1)" >> "$GITHUB_OUTPUT"
-      - uses: actions/cache@caa296126883cff596d87d8935842f9db880ef25 # v5.1.0
+      - uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: |
             ~/.cargo/registry/index