diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 15185415..52365f1d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,6 +30,7 @@ jobs:
         run: pnpm install
       # TODO: is this manual build step actually needed?
       # `prepack` hook _should_ run but doesn't seem to.
+      - run: pnpm run type-check
       - run: pnpm run build
       - uses: changesets/action@v1
         if: ${{ github.event_name != 'pull_request' }}
diff --git a/tsconfig.json b/tsconfig.json
index 0402495a..34c34d38 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -7,7 +7,10 @@
     "strict": true,
     "esModuleInterop": true,
     "forceConsistentCasingInFileNames": true,
-    "skipLibCheck": true
+    "skipLibCheck": true,
+    "paths": {
+      "@clack/core": ["./packages/core/src"]
+    }
   },
   "include": ["packages"]
 }