diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 655e37c..8fc45dd 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -3,6 +3,10 @@ on:
   release:
     types: [published]
 
+env:
+  CARGO_TERM_COLOR: always
+  RUST_VERSION: 1.68.2
+
 jobs:
   validate:
     runs-on: ubuntu-20.04
@@ -25,10 +29,10 @@ jobs:
     needs: [validate]
     steps:
       - uses: actions/checkout@v3
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: stable
-          override: true
+          toolchain: ${{ env.RUST_VERSION }}
+          components: clippy, rustfmt
       - name: Install dependencies
         run: make install-deps-apt
       - uses: katyo/publish-crates@v2
diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 9eb32a8..7a3d56a 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -8,6 +8,7 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  RUST_VERSION: 1.68.2
 
 jobs:
   build:
@@ -20,10 +21,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - uses: actions-rs/toolchain@v1
+    - uses: dtolnay/rust-toolchain@stable
       with:
-        toolchain: stable
-        override: true
+        toolchain: ${{ env.RUST_VERSION }}
+        components: clippy, rustfmt
     - uses: Swatinem/rust-cache@v2
       with:
         key: ${{ matrix.os }}
@@ -42,10 +43,9 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
-    - uses: actions-rs/toolchain@v1
+    - uses: dtolnay/rust-toolchain@stable
       with:
-        toolchain: stable
-        override: true
+        toolchain: ${{ env.RUST_VERSION }}
         components: clippy, rustfmt
     - name: Install dependencies ubuntu
       run: make install-deps-apt
@@ -58,10 +58,9 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
-    - uses: actions-rs/toolchain@v1
+    - uses: dtolnay/rust-toolchain@stable
       with:
-        toolchain: stable
-        override: true
+        toolchain: ${{ env.RUST_VERSION }}
         components: clippy, rustfmt
     - uses: actions/setup-python@v4
       with: