diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 785e122..cd1f950 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,7 +29,7 @@ jobs:
 
     - uses: dtolnay/rust-toolchain@master
       with:
-        toolchain: nightly
+        toolchain: nightly-2022-07-01
         target: ${{ matrix.target }}
         components: clippy
     - name: Build