diff --git a/.github/workflows/ci-nightly.yml b/.github/workflows/ci-nightly.yml
index be202a6e..d29b730f 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@7572810d7dd469b651bb7793945692cf78da5dd7 # v2.85.0
+        uses: taiki-e/install-action@6a1bd70eaac3c8bdf093356838d7ee09fda951cf # v2.85.5
         with:
           tool: cargo-ci-cache-clean
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2fc7b330..1c2a73d3 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@7572810d7dd469b651bb7793945692cf78da5dd7 # v2.85.0
+        uses: taiki-e/install-action@6a1bd70eaac3c8bdf093356838d7ee09fda951cf # v2.85.5
         with:
           tool: cargo-ci-cache-clean