diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d4f0f20e..3cca2337 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
           fetch-depth: 0
 
       - name: Rust toolchain
-        uses: dtolnay/rust-toolchain@315e265cd78dad1e1dcf3a5074f6d6c47029d5aa
+        uses: dtolnay/rust-toolchain@a54c7afa936fefeb4456b2dd8068152669aa8203
         with:
           toolchain: "stable"
           components: rustfmt
@@ -94,7 +94,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: ${{ matrix.allow-prereleases }}
 
-      - uses: dtolnay/rust-toolchain@315e265cd78dad1e1dcf3a5074f6d6c47029d5aa
+      - uses: dtolnay/rust-toolchain@a54c7afa936fefeb4456b2dd8068152669aa8203
         with:
           toolchain: "stable"
 
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 6accc592..049cb207 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -158,7 +158,7 @@ jobs:
         with:
           ref: ${{ github.head_ref }}
 
-      - uses: dtolnay/rust-toolchain@315e265cd78dad1e1dcf3a5074f6d6c47029d5aa
+      - uses: dtolnay/rust-toolchain@a54c7afa936fefeb4456b2dd8068152669aa8203
         with:
           toolchain: "stable"