diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 86a7c60..8909c6c 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -17,6 +17,7 @@ jobs:
     - uses: actions-rs/toolchain@v1
       with:
         profile: minimal
+        toolchain: ${{ matrix.rust }}
     - name: Test The Basics Everywhere
       uses: actions-rs/cargo@v1
       with: