diff --git a/.github/workflows/ext.yml b/.github/workflows/ext.yml
index db7cf5dfb7..44082f833f 100644
--- a/.github/workflows/ext.yml
+++ b/.github/workflows/ext.yml
@@ -24,7 +24,7 @@ jobs:
           cache: yarn
 
       - name: Install
-        run: yarn install --frozen-lockfile --ignore-optional
+        run: yarn install --frozen-lockfile
 
       - name: Bootstrap
         run: yarn bootstrap --no-ci