diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 69117b215..300e3a0de 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -50,6 +50,9 @@ jobs:
         registry-url: 'https://registry.npmjs.org'
         node-version-file: '.nvmrc'
 
+    - name: Install Dependencies
+      run: yarn install --immutable
+
     - name: Build
       if: steps.cache-build.outputs.cache-hit != 'true'
       run: yarn build
@@ -79,6 +82,9 @@ jobs:
         registry-url: 'https://registry.npmjs.org'
         node-version-file: '.nvmrc'
 
+    - name: Install Dependencies
+      run: yarn install --immutable
+
     - name: Build
       if: steps.cache-build.outputs.cache-hit != 'true'
       run: yarn build