diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 26ba2cc9f69..f9c8e792267 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Lint (rustfmt)
         run: cargo xfmt --check
       - name: Install cargo readme
-        uses: taiki-e/install-action@11dea51b35bc2bfa42820716c6cabb14fd4c3266 # v2
+        uses: taiki-e/install-action@b4f94d444931c93a5a6d9c6bd65a585838d0f765 # v2
         with:
           tool: cargo-readme
       - name: Run cargo readme
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 3e87b587aeb..a01558e56b1 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Build rustdoc
         run: cargo doc --all-features --workspace
       - name: Install mdbook
-        uses: taiki-e/install-action@11dea51b35bc2bfa42820716c6cabb14fd4c3266 # v2
+        uses: taiki-e/install-action@b4f94d444931c93a5a6d9c6bd65a585838d0f765 # v2
         with:
           tool: mdbook@0.4
       - name: Run mdbook
diff --git a/.github/workflows/hakari.yml b/.github/workflows/hakari.yml
index 36bb4cfa4f9..34f68202bd4 100644
--- a/.github/workflows/hakari.yml
+++ b/.github/workflows/hakari.yml
@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - uses: dtolnay/rust-toolchain@stable
       - name: Install cargo-hakari
-        uses: taiki-e/install-action@11dea51b35bc2bfa42820716c6cabb14fd4c3266 # v2
+        uses: taiki-e/install-action@b4f94d444931c93a5a6d9c6bd65a585838d0f765 # v2
         with:
           tool: cargo-hakari
       - name: Check workspace-hack Cargo.toml is up-to-date