diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 162c6181..4bfbc804 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@2b51c05cf7315a16dcec651726da87c70e45b990 # v2
+        uses: taiki-e/install-action@1bfd4d7803fa30ed1f2d91498280e0390e416e3d # v2
         with:
           tool: cargo-readme
       - name: Run cargo readme