diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 0fae296..5812a16 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -16,26 +16,30 @@ jobs:
 
       - run: pip install -r requirements.txt
 
+      - name: Install Core
+        run: poetry install
+        working-directory: ./libs/core
+
       - name: Build Core
-        run: hatch build
-        working-directory: ./core
+        run: poetry build
+        working-directory: ./libs/core
 
       - name: Test Core
-        run: hatch test
-        working-directory: ./core
+        run: python3 -m pytest tests/
+        working-directory: ./libs/core
 
-      - name: Check Types Core
-        run: mypy --install-types --non-interactive .
-        working-directory: ./src/core
+      - name: Test Studio
+        run: python3 -m pytest tests/
+        working-directory: ./libs/studio
 
       - name: Build Studio
-        run: hatch build
-        working-directory: ./studio
+        run: poetry build
+        working-directory: ./libs/studio
 
-      - name: Test Studio
-        run: hatch test
-        working-directory: ./studio
+      - name: Check Types Core
+        run: mypy --install-types --non-interactive .
+        working-directory: ./libs/core
 
       - name: Check Types Studio
         run: mypy --install-types --non-interactive .
-        working-directory: ./src/studio
+        working-directory: ./libs/studio
diff --git a/checks.sh b/checks.sh
index 9ce25e6..d1686e8 100755
--- a/checks.sh
+++ b/checks.sh
@@ -43,7 +43,7 @@ cd ../..
 # TODO test build?
 
 echo "${headerStart}Checking Types${headerEnd}"
-#cd src/core
+#cd libs/core
 #mypy --install-types --non-interactive .
 #cd ../studio
 #mypy --install-types --non-interactive .