diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bd2462e6..cb28ad73 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,7 +41,7 @@ jobs:
     - uses: actions-rs/toolchain@v1
       with:
         profile: minimal
-        toolchain: stable
+        toolchain: nightly
         override: true
     - name: Install minimal verions
       run: cargo update -Zminimal-versions