diff --git a/.github/workflows/onpush.yml b/.github/workflows/onpush.yml
index b88ac80..503f9d3 100644
--- a/.github/workflows/onpush.yml
+++ b/.github/workflows/onpush.yml
@@ -19,6 +19,15 @@ jobs:
         with:
           python-version: '3.10'
           cache: 'pip'
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 19
+          cache: 'yarn'
+          cache-dependency-path: src/typescript/yarn.lock
+      - name: Install yarn dependencies
+        run: yarn --cwd src/typescript install
+      - name: Build bundle
+        run: yarn --cwd src/typescript build
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip 
diff --git a/.github/workflows/onrelease.yml b/.github/workflows/onrelease.yml
index f22bfb5..09abba1 100644
--- a/.github/workflows/onrelease.yml
+++ b/.github/workflows/onrelease.yml
@@ -23,6 +23,15 @@ jobs:
         with:
           python-version: '3.10'
           cache: 'pip'
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 19
+          cache: 'yarn'
+          cache-dependency-path: src/typescript/yarn.lock
+      - name: Install yarn dependencies
+        run: yarn --cwd src/typescript install
+      - name: Build bundle
+        run: yarn --cwd src/typescript build
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip 
diff --git a/Makefile b/Makefile
index be7b12b..08d2894 100644
--- a/Makefile
+++ b/Makefile
@@ -42,4 +42,8 @@ serve-docs:
 build-bundle:
 	@echo "Building bundle..."
 	cd src/typescript && yarn build
-	@echo "Done."
\ No newline at end of file
+	@echo "Done."
+
+watch-bundle:
+	@echo "Watching bundle..."
+	cd src/typescript && yarn watch
\ No newline at end of file