diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 35938ba8cb..7405d018f6 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -47,7 +47,7 @@ jobs:
         run: npm install netlify-cli -g
 
       - name: Build using Netlify
-        run: netlify build --context deploy-preview
+        run: netlify build --context deploy-preview --offline
         env:
           NETLIFY_SITE_ID: ${{ vars.NETLIFY_SITE_ID }}
           NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
diff --git a/.github/workflows/test-build.yml b/.github/workflows/test-build.yml
index c75a906d7a..c5d5c65b66 100644
--- a/.github/workflows/test-build.yml
+++ b/.github/workflows/test-build.yml
@@ -46,7 +46,7 @@ jobs:
         run: npm install netlify-cli -g
 
       - name: Build using Netlify
-        run: netlify build --context deploy-preview
+        run: netlify build --context deploy-preview --offline
         working-directory: site/gatsby-site
         env:
           INSTRUMENT: true