diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index db17615..2bbd063 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
         uses: actions/checkout@61b9e3751b92087fd0b06925ba6dd6314e06f089
 
       - name: Rust toolchain
-        uses: dtolnay/rust-toolchain@dc6353516c68da0f06325f42ad880f76a5e77ec9
+        uses: dtolnay/rust-toolchain@bb45937a053e097f8591208d8e74c90db1873d07
         with:
           toolchain: 1.73.0
           components: rustfmt
@@ -73,7 +73,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - uses: dtolnay/rust-toolchain@dc6353516c68da0f06325f42ad880f76a5e77ec9
+      - uses: dtolnay/rust-toolchain@bb45937a053e097f8591208d8e74c90db1873d07
         with:
           toolchain: 1.73.0
 
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 949108f..5e24191 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -142,7 +142,7 @@ jobs:
         with:
           ref: ${{ github.head_ref }}
 
-      - uses: dtolnay/rust-toolchain@dc6353516c68da0f06325f42ad880f76a5e77ec9
+      - uses: dtolnay/rust-toolchain@bb45937a053e097f8591208d8e74c90db1873d07
         with:
           toolchain: 1.73.0