diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 8ee3d98..b77662f 100755
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -56,7 +56,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: dtolnay/rust-toolchain@master
       with:
-        toolchain: ${{ matrix.toolchain }}
+        toolchain: 1.79.0
         components: clippy, rustfmt
     - uses: Swatinem/rust-cache@v2
       with:
@@ -89,7 +89,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: dtolnay/rust-toolchain@master
       with:
-        toolchain: ${{ matrix.toolchain }}
+        toolchain: 1.79.0
         components: clippy, rustfmt
     - uses: Swatinem/rust-cache@v2
       with:
@@ -116,11 +116,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - uses: actions-rs/toolchain@v1
+    - uses: dtolnay/rust-toolchain@master
       with:
         toolchain: 1.79.0
-        profile: minimal
-        override: true
+        components: clippy, rustfmt
     - uses: Swatinem/rust-cache@v2
       with:
         key: ${{ runner.os }}-${{ hashFiles('Cargo.lock') }}-1.79.0-binary