diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 86dd21c..23df43d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
-      - uses: dtolnay/rust-toolchain@6c977a6ca4077a0ceb28ffbe03f59d46e9ac8772 # stable
+      - uses: dtolnay/rust-toolchain@02cb101ec7c40f2c49e1d9714d64511d8e1b74de # stable
         with:
           toolchain: stable
           components: rustfmt, clippy, llvm-tools-preview
@@ -39,7 +39,7 @@ jobs:
       - uses: dart-lang/setup-dart@v1
 
       - name: Install cargo-llvm-cov
-        uses: taiki-e/install-action@26e9283f268b880168bdbd2c545dfcd60ec2c6ab # v2
+        uses: taiki-e/install-action@dfae9bf3d6f6c6f20ef4ebb3486c01a51341ff12 # v2
         with:
           tool: cargo-llvm-cov
 
diff --git a/.github/workflows/release.reusable.yml b/.github/workflows/release.reusable.yml
index 025f08c..850c876 100644
--- a/.github/workflows/release.reusable.yml
+++ b/.github/workflows/release.reusable.yml
@@ -129,7 +129,7 @@ jobs:
 
       - name: Install stable toolchain
         if: hashFiles('tools/shipwright-version-stamp/Cargo.toml') != ''
-        uses: dtolnay/rust-toolchain@6c977a6ca4077a0ceb28ffbe03f59d46e9ac8772 # stable
+        uses: dtolnay/rust-toolchain@02cb101ec7c40f2c49e1d9714d64511d8e1b74de # stable
         with:
           toolchain: stable
 
@@ -223,7 +223,7 @@ jobs:
         with:
           ref: ${{ github.ref }}
 
-      - uses: dtolnay/rust-toolchain@6c977a6ca4077a0ceb28ffbe03f59d46e9ac8772 # stable
+      - uses: dtolnay/rust-toolchain@02cb101ec7c40f2c49e1d9714d64511d8e1b74de # stable
         with:
           toolchain: stable
           targets: ${{ matrix.rust_target }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c273ab6..ef48b0a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -29,7 +29,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       # ── toolchains ──────────────────────────────────────────────────────────
-      - uses: dtolnay/rust-toolchain@6c977a6ca4077a0ceb28ffbe03f59d46e9ac8772 # stable
+      - uses: dtolnay/rust-toolchain@02cb101ec7c40f2c49e1d9714d64511d8e1b74de # stable
         with:
           toolchain: stable
           components: rustfmt, clippy, llvm-tools-preview
@@ -72,7 +72,7 @@ jobs:
       - uses: dart-lang/setup-dart@v1
 
       - name: Install cargo-llvm-cov
-        uses: taiki-e/install-action@26e9283f268b880168bdbd2c545dfcd60ec2c6ab # v2
+        uses: taiki-e/install-action@dfae9bf3d6f6c6f20ef4ebb3486c01a51341ff12 # v2
         with:
           tool: cargo-llvm-cov