diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b81ebf7c..4cff29eb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -165,7 +165,7 @@ jobs:
         with:
           path: |
             cache.tar.xz
-          key: gam-${{ matrix.jid }}-20260408
+          key: gam-${{ matrix.jid }}-20260408-01
 
       - name: Untar Cache archive
         if: matrix.goal == 'build' && steps.cache-python-ssl.outputs.cache-hit == 'true'
@@ -393,7 +393,12 @@ jobs:
           cd "${GITHUB_WORKSPACE}/src"
           git clone https://github.com/python/cpython.git
           cd "${PYTHON_SOURCE_PATH}"
-          export LATEST_STABLE_TAG=$(git tag --list | grep -v a | grep -v rc | grep -v b | sort -Vr | head -n1)
+          if [[ "${RUNNER_OS}" != "Linux" ]]; then
+            # TEMP lock Linux to 3.14.3 until the PyInstaller multiprocess issues are resolved.
+            export LATEST_STABLE_TAG="v3.14.3"
+          else          
+            export LATEST_STABLE_TAG=$(git tag --list | grep -v a | grep -v rc | grep -v b | sort -Vr | head -n1)
+          fi
           git checkout "${LATEST_STABLE_TAG}"
           export COMPILED_PYTHON_VERSION=${LATEST_STABLE_TAG:1} # Trim the "v" prefix
           echo "COMPILED_PYTHON_VERSION=${COMPILED_PYTHON_VERSION}" >> $GITHUB_ENV