diff --git a/.github/workflows/ui.yml b/.github/workflows/ui.yml
index 779b18f35b..82641b37b8 100644
--- a/.github/workflows/ui.yml
+++ b/.github/workflows/ui.yml
@@ -64,15 +64,15 @@ jobs:
       - uses: actions/checkout@v3
         with:
             fetch-depth: 0
-      - name: install gradio
-        run: python -m pip install gradio==$(cat gradio/version.txt)
-      - name: generate theme.css
-        run: python scripts/generate_theme.py --outfile js/storybook/theme.css
       - name: install dependencies
         uses: "./.github/actions/install-all-deps"
         with:
           always-install-pnpm: true
           skip_build: 'true'
+      - name: generate theme.css
+        run: | 
+          . venv/bin/activate
+          python scripts/generate_theme.py --outfile js/storybook/theme.css
       - name: build storybook
         run: pnpm build-storybook --quiet
       - name: publish to chromatic