diff --git a/.github/workflows/essentials.yml b/.github/workflows/essentials.yml
index 22335bc..7f62b94 100644
--- a/.github/workflows/essentials.yml
+++ b/.github/workflows/essentials.yml
@@ -16,11 +16,9 @@ jobs:
         rust: [stable]
     steps:
       - name: Rust install
-        uses: actions-rs/toolchain@v1
+        uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
-          profile: minimal
-          override: true
           components: rustfmt, clippy
 
       - name: Checkout
diff --git a/.github/workflows/large-scope.yml b/.github/workflows/large-scope.yml
index 8b86137..f919f64 100644
--- a/.github/workflows/large-scope.yml
+++ b/.github/workflows/large-scope.yml
@@ -16,11 +16,9 @@ jobs:
 
     steps:
       - name: Rust install
-        uses: actions-rs/toolchain@v1
+        uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
-          profile: minimal
-          override: true
           components: rustfmt, clippy
 
       - name: Checkout
@@ -112,12 +110,10 @@ jobs:
             toolchain: stable
     steps:
       - name: Rust install
-        uses: actions-rs/toolchain@v1
+        uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.toolchain }}
-          profile: minimal
-          override: true
-          target: ${{ matrix.target }}
+          targets: ${{ matrix.target }}
           components: rustfmt, clippy
 
       - name: Checkout
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d854f89..715541d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -34,11 +34,9 @@ jobs:
           #   archive_ext: zip
     steps:
       - name: Rust install
-        uses: actions-rs/toolchain@v1
+        uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: stable
-          profile: minimal
-          override: true
+          toolchain: ${{ matrix.rust }}
           components: rustfmt, clippy
 
       - name: checkout