diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9f185d7..d8a611b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,31 +10,15 @@ jobs:
           - macos-latest
           - windows-latest
     runs-on: ${{ matrix.platform }}
+    env:
+      RUST_BACKTRACE: 1
     steps:
       - uses: actions/checkout@master
-        with:
-          submodules: true
-
-      - name: Install Rust (macOS)
-        run: curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain 1.36.0
-        if: runner.os == 'macOS'
-
-      - run: rustup default 1.36.0
-        shell: "bash -l {0}"
-
-      - run: cargo test
-        shell: "bash -l {0}"
-        env:
-          RUST_BACKTRACE: 1
 
-  test-nightly:
-    runs-on: ubuntu-latest
-    container: rustlang/rust:nightly
-    steps:
-      - uses: actions/checkout@master
+      - uses: actions-rs/toolchain@v1
         with:
-          submodules: true
+          profile: minimal
+          toolchain: "1.39.0"
+          default: true
 
-      - run: cargo test --features nightly
-        env:
-          RUST_BACKTRACE: 1
+      - run: cargo test