diff --git a/.github/workflows/js.yml b/.github/workflows/js.yml
index 98035f85..f233f7df 100644
--- a/.github/workflows/js.yml
+++ b/.github/workflows/js.yml
@@ -1,5 +1,7 @@
 # License: LGPL-3.0-or-later
 name: Javascript build and test
+env: 
+  ruby: '2.6.6'
 on: 
   push:
     paths-ignore:
@@ -31,7 +33,20 @@ jobs:
             ${{ matrix.os }}-yarn-${{ matrix.node }}-
             ${{ matrix.os }}-yarn-
       - run: yarn install --frozen-lockfile
-        if: steps.node-cache.outputs.cache-hit != 'true'
+      - uses: ruby/setup-ruby@ec106b438a1ff6ff109590de34ddc62c540232e0
+        with:
+          ruby-version: ${{ env.ruby }}
+      - uses: actions/cache@v2
+        name: Use Gem cache
+        with:
+          path: vendor/bundle
+          key: bundle-use-ruby-${{ matrix.os }}-${{ env.ruby }}-${{ hashFiles('**/Gemfile.lock') }}
+          restore-keys: |
+            bundle-use-ruby-${{ matrix.os }}-${{ env.ruby }}-
+      - run: |
+          bundle config deployment true
+          bundle config path vendor/bundle
+          bundle install --jobs 4
       - name: run eslint
         run: yarn eslint
   jest:
@@ -57,6 +72,20 @@ jobs:
             ${{ matrix.os }}-yarn-${{ matrix.node }}-
             ${{ matrix.os }}-yarn-
       - run: yarn install --frozen-lockfile
+      - uses: ruby/setup-ruby@ec106b438a1ff6ff109590de34ddc62c540232e0
+        with:
+          ruby-version: ${{ env.ruby }}
+      - uses: actions/cache@v2
+        name: Use Gem cache
+        with:
+          path: vendor/bundle
+          key: bundle-use-ruby-${{ matrix.os }}-${{ env.ruby }}-${{ hashFiles('**/Gemfile.lock') }}
+          restore-keys: |
+            bundle-use-ruby-${{ matrix.os }}-${{ env.ruby }}-
+      - run: |
+          bundle config deployment true
+          bundle config path vendor/bundle
+          bundle install --jobs 4
       - name: run jest
         run: yarn jest
   webpack:
@@ -91,14 +120,14 @@ jobs:
       - run: yarn install --frozen-lockfile
       - uses: ruby/setup-ruby@ec106b438a1ff6ff109590de34ddc62c540232e0
         with:
-          ruby-version: ${{ matrix.ruby }}
+          ruby-version: ${{ env.ruby }}
       - uses: actions/cache@v2
         name: Use Gem cache
         with:
           path: vendor/bundle
-          key: bundle-use-ruby-${{ matrix.os }}-${{ matrix.ruby }}-${{ hashFiles('**/Gemfile.lock') }}
+          key: bundle-use-ruby-${{ matrix.os }}-${{ env.ruby }}-${{ hashFiles('**/Gemfile.lock') }}
           restore-keys: |
-            bundle-use-ruby-${{ matrix.os }}-${{ matrix.ruby }}-
+            bundle-use-ruby-${{ matrix.os }}-${{ env.ruby }}-
       - run: |
           bundle config deployment true
           bundle config path vendor/bundle