diff --git a/.github/actions/cache-bootstrap/action.yml b/.github/actions/cache-bootstrap/action.yml
index 5f1d565fa0..e42846deb5 100644
--- a/.github/actions/cache-bootstrap/action.yml
+++ b/.github/actions/cache-bootstrap/action.yml
@@ -9,19 +9,19 @@ inputs:
 runs:
   using: composite
   steps:
-    # for always overriding cache, use: pat-s/always-upload-cache@v2.1.5
+      # for always overriding cache, use: pat-s/always-upload-cache@v2.1.5 
     - uses: actions/cache@v2
       id: cache
       with:
         path: |
           node_modules
           */*/node_modules
-        key: ${{ runner.os }}-yarn-${{inputs.extension}}-${{ hashFiles('**/yarn.lock') }}
-      # We want to only bootstrap and install if no cache is found.
+        key: ${{ runner.os }}-yarn-${{inputs.extension}}-v5-${{ hashFiles('**/yarn.lock') }}  
+      # We want to only bootstrap and install if no cache is found. 
       # Futhermore, we might want to do a partial, hoisted, bootstrap towards
       # the base branch if it exists, otherwise we choose develop for this.
     - run: |
-        if [[ "${{steps.cache.outputs.cache-hit}}" != "true" ]]; then
+        if [[ "${{steps.cache.outputs.cache-hit}}" != "true" ]] || [[ "${{inputs.partial}}" != "true" ]]; then
           yarn install --frozen-lockfile
           yarn bootstrap --concurrency=2
         elif [[ "${{inputs.partial}}" = "true" ]]; then
@@ -29,3 +29,5 @@ runs:
           yarn bootstrap --npm-client=npm --hoist --since "origin/${ref}...HEAD" --concurrency=2 
         fi
       shell: bash
+
+