diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..d02bc0e
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,21 @@
+name: build
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Install dependencies
+        run: make node_modules
+      - name: Run build
+        run: make build
+      - name: Run check
+        run: make check
diff --git a/Makefile b/Makefile
index 683a76e..b2a74bf 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-ESBUILD ?= esbuild
+ESBUILD ?= node_modules/.bin/esbuild
 
 define ESBUILDCMD
 $(ESBUILD) src/p5.image-map-creator.ts \