diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7a51af735c..cc509152e1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7
-      - uses: taiki-e/install-action@v2
+      - uses: taiki-e/install-action@v2.85.5
         with:
           tool: cargo-hack
       - uses: mkroening/rust-toolchain-toml@main
@@ -101,7 +101,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7
       - uses: mkroening/rust-toolchain-toml@main
-      - uses: taiki-e/install-action@v2
+      - uses: taiki-e/install-action@v2.85.5
         with:
           tool: cargo-machete
       - run: cargo machete