diff --git a/.github/workflows/ci-push_macos.yml b/.github/workflows/ci-push_macos.yml
index 8f8dd0da26..96a02d9894 100644
--- a/.github/workflows/ci-push_macos.yml
+++ b/.github/workflows/ci-push_macos.yml
@@ -139,7 +139,12 @@ jobs:
     - name: Untar
       working-directory: ${{ github.workspace }}
       run: tar -xvjf ${{ runner.temp }}/racketcgc-macos-nocify-x64_git${{ github.sha}}.tar.bz2
+    - name: Checking out ChezScheme Release
+      if: github.ref == 'refs/heads/release'
+      working-directory: ./racket/src
+      run: git clone --single-branch --branch release --depth=1 --recurse-submodules -j3 https://github.com/racket/ChezScheme
     - name: Checking out ChezScheme
+      if: github.ref != 'refs/heads/release'
       working-directory: ./racket/src
       run: git clone --depth=1 --recurse-submodules -j3 https://github.com/racket/ChezScheme
     - name: Configuring Racket CS
diff --git a/.github/workflows/scanbuild_static-analysis.yml b/.github/workflows/scanbuild_static-analysis.yml
index b196c1ec2c..539470c2ef 100644
--- a/.github/workflows/scanbuild_static-analysis.yml
+++ b/.github/workflows/scanbuild_static-analysis.yml
@@ -169,7 +169,12 @@ jobs:
         make -j$((cpus+1)) install
     - name: Clean repo
       run: git clean -xdf
+    - name: Checking out ChezScheme Release
+      if: github.ref == 'refs/heads/release'
+      working-directory: ./racket/src
+      run: git clone --single-branch --branch release --depth=1 --recurse-submodules -j3 https://github.com/racket/ChezScheme
     - name: Checking out ChezScheme
+      if: github.ref != 'refs/heads/release'
       working-directory: ./racket/src
       run: git clone --depth=1 --recurse-submodules -j3 https://github.com/racket/ChezScheme
     - name: Configuring Racket CS