diff --git a/.github/workflows/ci-nightly.yml b/.github/workflows/ci-nightly.yml
index 58d0d6af..9a422c62 100644
--- a/.github/workflows/ci-nightly.yml
+++ b/.github/workflows/ci-nightly.yml
@@ -72,7 +72,7 @@ jobs:
         timeout-minutes: 10
 
       - name: Install cargo-ci-cache-clean
-        uses: taiki-e/install-action@e49978b799e49ff429d162b7a30601a569ab6538 # v2.81.1
+        uses: taiki-e/install-action@59012be0884e296ca2da49b530610e72c49039ad # v2.81.6
         with:
           tool: cargo-ci-cache-clean
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 62587330..1c8fca53 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -77,7 +77,7 @@ jobs:
         timeout-minutes: 10
 
       - name: Install cargo-ci-cache-clean
-        uses: taiki-e/install-action@e49978b799e49ff429d162b7a30601a569ab6538 # v2.81.1
+        uses: taiki-e/install-action@59012be0884e296ca2da49b530610e72c49039ad # v2.81.6
         with:
           tool: cargo-ci-cache-clean