diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ae3b763..000cbf1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -66,9 +66,9 @@ jobs:
     timeout-minutes: 60
     steps:
       - uses: taiki-e/checkout-action@v1
-      - name: Install Rust
-        run: rustup toolchain add "${{ matrix.rust }}" --no-self-update && rustup default "${{ matrix.rust }}"
-      - run: rustup toolchain add nightly --no-self-update
+      - uses: taiki-e/github-actions/install-rust@main
+        with:
+          toolchain: ${{ matrix.rust }}
       - uses: taiki-e/install-action@cargo-hack
       - uses: taiki-e/install-action@cargo-minimal-versions
       - uses: taiki-e/install-action@nextest
@@ -166,8 +166,7 @@ jobs:
     timeout-minutes: 60
     steps:
       - uses: taiki-e/checkout-action@v1
-      - name: Install Rust
-        run: rustup update stable --no-self-update
+      - uses: taiki-e/github-actions/install-rust@stable
       - name: Install LLVM
         run: |
           if type -P clang-"${{ matrix.llvm }}" &>/dev/null; then
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1da48ce..80855da 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -55,8 +55,7 @@ jobs:
       contents: write
     steps:
       - uses: taiki-e/checkout-action@v1
-      - name: Install Rust
-        run: rustup update stable --no-self-update
+      - uses: taiki-e/github-actions/install-rust@stable
       - uses: taiki-e/setup-cross-toolchain-action@v1
         with:
           target: ${{ matrix.target }}