diff --git a/.github/workflows/sync-clarity-reference.yml b/.github/workflows/sync-clarity-reference.yml
index fccdd5d3ca..b41cb9ceb3 100644
--- a/.github/workflows/sync-clarity-reference.yml
+++ b/.github/workflows/sync-clarity-reference.yml
@@ -36,7 +36,7 @@ jobs:
           path: stacks-core
 
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@e2a55d2ffb04f378e9626c28d38b36d230d1e12f # master
+        uses: dtolnay/rust-toolchain@683b588c487a69d01f6c6ddf40f036ff682cc2c8 # master
         with:
           toolchain: stable