diff --git a/.github/workflows/prettier.yml b/.github/workflows/prettier.yml
index aef4d8f166d..f6117e7663b 100644
--- a/.github/workflows/prettier.yml
+++ b/.github/workflows/prettier.yml
@@ -58,7 +58,7 @@ jobs:
       - name: Check out repo
         uses: actions/checkout@v3
       - name: Install plugin
-        run: npm ci
+        run: npm ci --no-optional
       - name: Run prettier
         run: |-
           # Check mdx files which contain sql code blocks
diff --git a/.github/workflows/studio-tests.yml b/.github/workflows/studio-tests.yml
index 11fda1e766c..9e9711b9578 100644
--- a/.github/workflows/studio-tests.yml
+++ b/.github/workflows/studio-tests.yml
@@ -31,7 +31,7 @@ jobs:
           node-version: ${{ matrix.node-version }}
           cache: 'npm'
       - name: Install deps
-        run: npm ci
+        run: npm ci --no-optional
         working-directory: ./
       - name: Run tests
         run: npm run test:studio