diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3aa4706..cf9ac58 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,6 +34,8 @@ jobs:
 
       - name: Install Rust
         uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.73.0
 
       - name: Sccache cache
         uses: mozilla-actions/sccache-action@v0.0.3