diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7fdb707..5d99981 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -101,6 +101,8 @@ jobs:
 
       - name: Install Rust
         uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
 
       - name: Run examples
         run: |