diff --git a/.github/workflows/schemas-main.yml b/.github/workflows/schemas-main.yml
new file mode 100644
index 000000000..e9a8bd806
--- /dev/null
+++ b/.github/workflows/schemas-main.yml
@@ -0,0 +1,40 @@
+name: Schemas
+
+on:
+  push:
+    branches: [ master ]
+    paths: [ 'packages/schemas/**' ]
+  pull_request:
+    branches: [ master ]
+    paths: [ 'packages/schemas/**' ]
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      # https://github.com/actions/cache/blob/main/examples.md#node---yarn
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - uses: actions/cache@v2
+        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+
+      - name: Install packages
+        run: yarn bootstrap
+
+      - name: Lint
+        working-directory: packages/schemas
+        run: yarn lint
+
+      - name: Build
+        working-directory: packages/schemas
+        run: yarn build
diff --git a/.github/workflows/ui-main.yml b/.github/workflows/ui-main.yml
index d317124bd..7817ced19 100644
--- a/.github/workflows/ui-main.yml
+++ b/.github/workflows/ui-main.yml
@@ -8,10 +8,6 @@ on:
     branches: [ master ]
     paths: [ 'packages/ui/**' ]
 
-defaults:
-  run:
-    working-directory: packages/ui
-
 jobs:
   main:
     runs-on: ubuntu-latest
@@ -33,10 +29,12 @@ jobs:
             ${{ runner.os }}-yarn-
 
       - name: Install packages
-        run: yarn
+        run: yarn bootstrap
 
       - name: Lint
+        working-directory: packages/ui
         run: yarn lint && yarn stylelint
 
       - name: Build
+        working-directory: packages/ui
         run: yarn build