diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index 22472ec..aff2a02 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: taiki-e/install-action@v2
+      - uses: taiki-e/install-action@v2.85.4
         with:
           tool: cargo-audit
       - run: cargo audit
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index f9cb140..beafb7f 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: taiki-e/install-action@v2
+      - uses: taiki-e/install-action@v2.85.4
         with:
           tool: cargo-hack
       - uses: Swatinem/rust-cache@v2