diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 11a937de..83ae9f1f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
       - name: Lint (rustfmt)
         run: cargo xfmt --check
       - name: Install cargo readme
-        uses: taiki-e/install-action@522492a8c115f1b6d4d318581f09638e9442547b # v2
+        uses: taiki-e/install-action@f33d3f211b0303ea71864a2677724fed135b8e99 # v2
         with:
           tool: cargo-readme
       - name: Run cargo readme