diff --git a/.github/workflows/PullActions.yml b/.github/workflows/PullActions.yml
index 90d84844..159ad254 100644
--- a/.github/workflows/PullActions.yml
+++ b/.github/workflows/PullActions.yml
@@ -13,6 +13,6 @@ jobs:
     steps:
       - uses: actions/checkout@v1
       - name: Install dependencies
-        run: npm install
+        run: yarn
       - name: Build
-        run: npm run build
+        run: yarn build
diff --git a/.github/workflows/PushActions.yml b/.github/workflows/PushActions.yml
index 49014344..60fe0e44 100644
--- a/.github/workflows/PushActions.yml
+++ b/.github/workflows/PushActions.yml
@@ -13,9 +13,9 @@ jobs:
     steps:
       - uses: actions/checkout@v1
       - name: Install dependencies
-        run: npm install
+        run: yarn
       - name: Build
-        run: npm run build
+        run: yarn build
 
   cut_release:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/ReleaseActions.yml b/.github/workflows/ReleaseActions.yml
index 8bc04eae..fe700d9b 100644
--- a/.github/workflows/ReleaseActions.yml
+++ b/.github/workflows/ReleaseActions.yml
@@ -54,11 +54,11 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install setuptools wheel twine
-          npm install
-          npm run postinstall
+          yarn
+          yarn postinstall
 
       - name: Build
-        run: npm run build
+        run: yarn build
 
       - name: Publish to PyPi
         env: