diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5806a91ac..c8e6fae5e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -32,7 +32,7 @@ jobs:
     steps:
     - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
     - name: Install Rust (${{ matrix.rust_version }})
-      uses: dtolnay/rust-toolchain@55c7845fad90d0ae8b2e83715cb900e5e861e8cb
+      uses: dtolnay/rust-toolchain@e645b0cf01249a964ec099494d38d2da0f0b349f
       with:
         toolchain:  ${{ matrix.rust_version }}
     - name: Build
@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
-      - uses: dtolnay/rust-toolchain@55c7845fad90d0ae8b2e83715cb900e5e861e8cb
+      - uses: dtolnay/rust-toolchain@e645b0cf01249a964ec099494d38d2da0f0b349f
         with:
           toolchain: nightly
           components: rustfmt
@@ -77,7 +77,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
-      - uses: dtolnay/rust-toolchain@55c7845fad90d0ae8b2e83715cb900e5e861e8cb
+      - uses: dtolnay/rust-toolchain@e645b0cf01249a964ec099494d38d2da0f0b349f
         with:
           toolchain: stable
           components: clippy
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 59de5bc81..982b157f9 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -35,7 +35,7 @@ jobs:
         sudo apt-get update
         sudo apt-get install -y --no-install-recommends xz-utils liblz4-tool musl-tools
     - name: Install Rust
-      uses: dtolnay/rust-toolchain@55c7845fad90d0ae8b2e83715cb900e5e861e8cb
+      uses: dtolnay/rust-toolchain@e645b0cf01249a964ec099494d38d2da0f0b349f
       with:
         toolchain: stable
         target: ${{ matrix.target }}