diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 816f350..d498303 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -154,7 +154,7 @@ jobs:
             ~/.cargo/registry
             ~/.cargo/git
 
-      - uses: taiki-e/install-action@v2
+      - uses: taiki-e/install-action@v2.85.5
         with:
           tool: nextest
 
@@ -203,7 +203,7 @@ jobs:
 
       - uses: dtolnay/rust-toolchain@nightly
 
-      - uses: taiki-e/install-action@v2
+      - uses: taiki-e/install-action@v2.85.5
         with:
           tool: nextest
 
@@ -322,7 +322,7 @@ jobs:
 
       - uses: mozilla-actions/sccache-action@v0.0.11
 
-      - uses: taiki-e/install-action@v2
+      - uses: taiki-e/install-action@v2.85.5
         with:
           tool: cargo-llvm-cov,nextest
 
@@ -392,7 +392,7 @@ jobs:
           restore-keys: |
             wasm-pack-${{ runner.os }}-
 
-      - uses: taiki-e/install-action@v2
+      - uses: taiki-e/install-action@v2.85.5
         with:
           tool: wasm-pack@latest
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index af649db..078fe6b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -105,7 +105,7 @@ jobs:
           save-if: false
 
       - name: Install nextest
-        uses: taiki-e/install-action@v2
+        uses: taiki-e/install-action@v2.85.5
         with:
           tool: nextest
 
@@ -183,7 +183,7 @@ jobs:
           registry-url: "https://registry.npmjs.org"
 
       - name: Install wasm-pack
-        uses: taiki-e/install-action@v2
+        uses: taiki-e/install-action@v2.85.5
         with:
           tool: wasm-pack