diff --git a/.github/workflows/rustdoc.yml b/.github/workflows/rustdoc.yml
index a1cf404bd02b..32c2454485aa 100644
--- a/.github/workflows/rustdoc.yml
+++ b/.github/workflows/rustdoc.yml
@@ -17,7 +17,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install Rust toolchain
-        uses: actions-rs/toolchain@v1
+        uses: actions-rs/toolchain@v1.0.7
         with:
           toolchain: stable
           override: true