diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d35971b..3aa4706 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,8 +34,6 @@ jobs:
 
       - name: Install Rust
         uses: actions-rs/toolchain@v1
-        with:
-          toolchain: ${{ vars.RUST_TOOLCHAIN }}
 
       - name: Sccache cache
         uses: mozilla-actions/sccache-action@v0.0.3
@@ -69,8 +67,10 @@ jobs:
         include:
           - os: macos-latest
             target: aarch64-apple-darwin
+            toolchain: stable
           - os: ubuntu-latest
             target: x86_64-unknown-linux-gnu
+            toolchain: 1.73.0
 
     env:
       SCCACHE_GHA_ENABLED: true
@@ -86,7 +86,7 @@ jobs:
       - name: Install Rust
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: ${{ vars.RUST_TOOLCHAIN }}
+          toolchain: ${{ matrix.toolchain }}
           target: ${{ matrix.target }}
           components: clippy
 
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index b5297e4..3b1905f 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -102,7 +102,7 @@ jobs:
           cache-from: ${{ steps.cache.outputs.cache-from }}
           cache-to: ${{ steps.cache.outputs.cache-to }}
           build-args: |
-            RUST_TOOLCHAIN=${{ vars.RUST_TOOLCHAIN }}
+            RUST_TOOLCHAIN=1.73.0
 
       - name: Docker Hub Description
         uses: peter-evans/dockerhub-description@v3