diff --git a/.github/workflows/CI_build.yml b/.github/workflows/CI_build.yml
index b7b6cb07d20e..233e07078d50 100644
--- a/.github/workflows/CI_build.yml
+++ b/.github/workflows/CI_build.yml
@@ -96,7 +96,7 @@ jobs:
 
     - name: (cache) Lookup Python modules
       if: env.PYTHON_ALLOW_CACHE == 'true'
-      uses: actions/cache/restore@v5
+      uses: actions/cache/restore@v6
       id: cache-lookup
       with:
         path: ${{ env.PYTHON_DIR_CACHE }}
@@ -105,7 +105,7 @@ jobs:
 
     - name: (cache) Restore Python modules
       if: env.PYTHON_ALLOW_CACHE == 'true' && steps.filter.outputs.result == 'XML' && steps.cache-lookup.outputs.cache-hit == 'true'
-      uses: actions/cache/restore@v5
+      uses: actions/cache/restore@v6
       with:
         path: ${{ env.PYTHON_DIR_CACHE }}
         key: ${{ steps.filter.outputs.python }}
@@ -117,7 +117,7 @@ jobs:
 
     - name: (cache) Save Python modules
       if: env.PYTHON_ALLOW_CACHE == 'true' && steps.cache-lookup.outputs.cache-hit != 'true' && github.event_name == 'push'
-      uses: actions/cache/save@v5
+      uses: actions/cache/save@v6
       with:
         path: ${{ env.PYTHON_DIR_CACHE }}
         key: ${{ steps.filter.outputs.python }}
@@ -205,7 +205,7 @@ jobs:
 
     - name: (cache) Restore Python modules for Win32 / Debug
       if: matrix.build_platform == 'Win32' && matrix.build_configuration == 'Debug' && env.PYTHON_ALLOW_CACHE == 'true' && contains(needs.before_build.outputs.title, '[force nopythoncache]') != true
-      uses: actions/cache/restore@v5
+      uses: actions/cache/restore@v6
       with:
         path: ${{ env.PYTHON_DIR_CACHE }}
         key: ${{ needs.before_build.outputs.python }}