diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bbb9878..7b8b435 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@439cf607258077187679211f12aa6f19af4a0af7
+        uses: dtolnay/rust-toolchain@be73d7920c329f220ce78e0234b8f96b7ae60248
         with:
           toolchain: 1.73.0
           components: rustfmt
@@ -73,7 +73,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - uses: dtolnay/rust-toolchain@439cf607258077187679211f12aa6f19af4a0af7
+      - uses: dtolnay/rust-toolchain@be73d7920c329f220ce78e0234b8f96b7ae60248
         with:
           toolchain: 1.73.0
 
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index c1729aa..e796553 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@439cf607258077187679211f12aa6f19af4a0af7
+      - uses: dtolnay/rust-toolchain@be73d7920c329f220ce78e0234b8f96b7ae60248
         with:
           toolchain: 1.73.0