diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c6d437a0d165..249c220653c2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -60,6 +60,11 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
+      - name: Get Python version
+        run: |
+          version=$(python -c "import sys; print('.'.join(map(str, sys.version_info[:3])))")
+          echo "PYTHON_VERSION=$version" >> $GITHUB_ENV
+
       - name: Get Poetry version from poetry-version
         run: |
           version=$(cat poetry-version)
@@ -83,7 +88,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ~/.cache/pre-commit
-          key: ${{ runner.os }}-${{ matrix.python-version }}-pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
+          key: ${{ runner.os }}-${{ env.PYTHON_VERSION }}-pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
 
       - name: Set poetry cache-dir
         run: echo "POETRY_CACHE_DIR=$(poetry config cache-dir)" >> $GITHUB_ENV
@@ -93,7 +98,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ${{ env.POETRY_CACHE_DIR }}
-          key: ${{ runner.os }}-${{ matrix.python-version }}-poetry-${{ hashFiles('**/poetry.lock') }}
+          key: ${{ runner.os }}-${{ env.PYTHON_VERSION }}-poetry-${{ hashFiles('**/poetry.lock') }}
 
       - name: Run pre-commit
         run: |
@@ -240,6 +245,11 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
+      - name: Get Python version
+        run: |
+          version=$(python -c "import sys; print('.'.join(map(str, sys.version_info[:3])))")
+          echo "PYTHON_VERSION=$version" >> $GITHUB_ENV
+
       - name: Get Poetry version from poetry-version
         run: |
           version=$(cat poetry-version)
@@ -258,7 +268,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ~/.cache/pre-commit
-          key: ${{ runner.os }}-${{ matrix.python-version }}-pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
+          key: ${{ runner.os }}-${{ env.PYTHON_VERSION }}-pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
 
       - name: Set poetry cache-dir
         run: echo "POETRY_CACHE_DIR=$(poetry config cache-dir)" >> $GITHUB_ENV
@@ -268,7 +278,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ${{ env.POETRY_CACHE_DIR }}
-          key: ${{ runner.os }}-${{ matrix.python-version }}-poetry-${{ hashFiles('**/poetry.lock') }}
+          key: ${{ runner.os }}-${{ env.PYTHON_VERSION }}-poetry-${{ hashFiles('**/poetry.lock') }}
 
       - name: Run pre-commit
         run: |