diff --git a/.eslintignore b/.eslintignore
index edb51380de..d6f9d6349f 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,2 +1,3 @@
 examples/Jugl.js
 examples/resources/
+build/package/**/*webgl*
diff --git a/Makefile b/Makefile
index 1c062ec7ab..885bc16d8d 100644
--- a/Makefile
+++ b/Makefile
@@ -310,3 +310,4 @@ package:
 	@rm build/package/typedefs.js
 	@cp css/ol.css build/package
 	./node_modules/.bin/jscodeshift --transform transforms/module.js build/package
+	npm run lint-package
diff --git a/package.json b/package.json
index 86a984df05..12d6b94db4 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,7 @@
     "postinstall": "closure-util update",
     "start": "node tasks/serve.js",
     "pretest": "eslint tasks test test_rendering src examples",
+    "lint-package": "eslint --fix build/package",
     "test": "node tasks/test.js",
     "debug-server": "node tasks/serve-lib.js"
   },
diff --git a/package/.eslintrc b/package/.eslintrc
new file mode 100644
index 0000000000..bd14a19ef2
--- /dev/null
+++ b/package/.eslintrc
@@ -0,0 +1,5 @@
+{
+  "parserOptions": {
+    "sourceType": "module"
+  }
+}
diff --git a/transforms/module.js b/transforms/module.js
index 8a81705f1b..7482a6ca3e 100644
--- a/transforms/module.js
+++ b/transforms/module.js
@@ -1,5 +1,5 @@
-const pkg = require('../package.json');
-const version = require('../package/package.json').version;
+const parentPackage = require('../package.json');
+const thisPackage = require('../package/package.json');
 
 const defines = {
   'ol.ENABLE_WEBGL': false
@@ -17,14 +17,18 @@ function resolve(fromName, toName) {
     let name = toParts[2];
     let packageName;
     let imported;
-    for (let i = 0, ii = pkg.ext.length; i < ii; ++i) {
-      const dependency = pkg.ext[i];
+    for (let i = 0, ii = parentPackage.ext.length; i < ii; ++i) {
+      const dependency = parentPackage.ext[i];
       imported = dependency.import;
-      if (dependency.module === name) {
-        packageName = name;
-        break;
-      } else if (dependency.name === name) {
+      if (dependency.module === name || dependency.name === name) {
         packageName = dependency.module;
+        // ensure dependency is listed on both package.json
+        if (
+          !thisPackage.dependencies[packageName] ||
+          thisPackage.dependencies[packageName] !== parentPackage.dependencies[packageName]
+        ) {
+          throw new Error(`Package ${packageName} must appear in all package.json at the same version`);
+        }
         break;
       }
     }
@@ -128,7 +132,7 @@ module.exports = function(info, api) {
   // replace `ol.VERSION = ''` with correct version
   root.find(j.ExpressionStatement, getMemberExpressionAssignment('ol.VERSION'))
     .forEach(path => {
-      path.value.expression.right = j.literal(version);
+      path.value.expression.right = j.literal(thisPackage.version);
     });
 
   const replacements = {};