diff --git a/.github/workflows/buildTest.yaml b/.github/workflows/buildTest.yaml
index f67977c5..9c661b09 100644
--- a/.github/workflows/buildTest.yaml
+++ b/.github/workflows/buildTest.yaml
@@ -16,6 +16,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 20
+          cache: yarn
 
       - name: Enable Corepack
         run: corepack enable
diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index bd46e1e0..fa997b0e 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -25,7 +25,7 @@ jobs:
           yarn set version 4.1.1
 
       - name: Install dependencies
-        run: yarn install
+        run: yarn install --immutable
 
       - name: Build with yarn
         run: yarn run build