diff --git a/.github/workflows/rust.yaml b/.github/workflows/rust.yaml
index 5ef85adb3..29cd5bb38 100644
--- a/.github/workflows/rust.yaml
+++ b/.github/workflows/rust.yaml
@@ -20,7 +20,7 @@ jobs:
       - name: Install rust toolchain
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.73.0
+          toolchain: 1.72.0
           override: true
 
   install-foundry: