diff --git a/.github/workflows/lint-build-test.yml b/.github/workflows/lint-build-test.yml
index d11be3b1744..8fc8ce51afb 100644
--- a/.github/workflows/lint-build-test.yml
+++ b/.github/workflows/lint-build-test.yml
@@ -10,6 +10,8 @@ jobs:
     strategy:
       matrix:
         node-version: [14.x, 16.x]
+    outputs:
+      child-workspace-package-names: ${{ steps.workspace-package-names.outputs.child-workspace-package-names }}
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}
@@ -18,6 +20,11 @@ jobs:
           node-version: ${{ matrix.node-version }}
           cache: yarn
       - run: yarn --immutable
+      - name: Fetch workspace package names
+        id: workspace-package-names
+        run: |
+          echo "child-workspace-package-names=$(yarn child-workspace-package-names-as-json)" >> "$GITHUB_OUTPUT"
+        shell: bash
 
   lint:
     name: Lint
@@ -35,7 +42,31 @@ jobs:
           cache: yarn
       - run: yarn --immutable --immutable-cache
       - run: yarn lint
-      - run: yarn changelog:validate
+      - name: Require clean working directory
+        shell: bash
+        run: |
+          if ! git diff --exit-code; then
+            echo "Working tree dirty at end of job"
+            exit 1
+          fi
+
+  validate-changelog:
+    name: Validate changelog
+    runs-on: ubuntu-latest
+    needs: prepare
+    strategy:
+      matrix:
+        node-version: [14.x, 16.x]
+        package-name: ${{ fromJson(needs.prepare.outputs.child-workspace-package-names) }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: yarn
+      - run: yarn --immutable --immutable-cache
+      - run: yarn workspace ${{ matrix.package-name }} changelog:validate
       - name: Require clean working directory
         shell: bash
         run: |
@@ -75,6 +106,7 @@ jobs:
     strategy:
       matrix:
         node-version: [14.x, 16.x]
+        package-name: ${{ fromJson(needs.prepare.outputs.child-workspace-package-names) }}
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}
@@ -83,7 +115,7 @@ jobs:
           node-version: ${{ matrix.node-version }}
           cache: yarn
       - run: yarn --immutable --immutable-cache
-      - run: yarn test
+      - run: yarn workspace ${{ matrix.package-name }} run test
       - name: Require clean working directory
         shell: bash
         run: |
diff --git a/package.json b/package.json
index 48dc9256548..e0645537e11 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
     "build:docs": "yarn workspaces foreach --parallel --interlaced --verbose run build:docs",
     "build:watch": "yarn run build --watch",
     "changelog:validate": "yarn workspaces foreach --parallel --interlaced --verbose run changelog:validate",
+    "child-workspace-package-names-as-json": "ts-node scripts/child-workspace-package-names-as-json.ts",
     "generate-dependency-graph": "ts-node scripts/generate-dependency-graph.ts",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints",
     "lint:eslint": "eslint . --cache --ext js,ts",
diff --git a/scripts/child-workspace-package-names-as-json.ts b/scripts/child-workspace-package-names-as-json.ts
new file mode 100755
index 00000000000..3f82125d39c
--- /dev/null
+++ b/scripts/child-workspace-package-names-as-json.ts
@@ -0,0 +1,20 @@
+#!yarn ts-node
+
+import execa from 'execa';
+
+main().catch((error) => {
+  console.error(error);
+  process.exitCode = 1;
+});
+
+/**
+ * The entrypoint to this script.
+ */
+async function main() {
+  const { stdout } = await execa('yarn', ['workspaces', 'list', '--json']);
+  const workspaces = stdout.split('\n').map((line) => JSON.parse(line));
+  const childWorkspaceNames = workspaces
+    .filter((workspace) => workspace.location !== '.')
+    .map((workspace) => workspace.name);
+  console.log(JSON.stringify(childWorkspaceNames));
+}