diff --git a/package-lock.json b/package-lock.json
index a1cf9a9a3e..3d1de9446d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "SEE LICENSE IN LICENSE",
       "dependencies": {
         "bpmn-moddle": "^8.0.0",
-        "diagram-js": "^12.2.0",
+        "diagram-js": "github:bpmn-io/diagram-js#hackdays",
         "diagram-js-direct-editing": "^2.0.0",
         "ids": "^1.0.0",
         "inherits-browser": "^0.1.0",
@@ -3849,8 +3849,8 @@
     },
     "node_modules/diagram-js": {
       "version": "12.2.0",
-      "resolved": "https://registry.npmjs.org/diagram-js/-/diagram-js-12.2.0.tgz",
-      "integrity": "sha512-CXo/qc2KJz663t2b7AlrkeMCo4SdVZMNxq4oNwUN6QzbWesnbjNCwS9aptIDFkpBjXRGtgOzf/T6D6QaVJfTqw==",
+      "resolved": "git+ssh://git@github.com/bpmn-io/diagram-js.git#56e2f4caf9cb44de8ff8b8abe2f397e094d3f77e",
+      "license": "MIT",
       "dependencies": {
         "@bpmn-io/diagram-js-ui": "^0.2.2",
         "clsx": "^1.2.1",
@@ -20260,9 +20260,8 @@
       "dev": true
     },
     "diagram-js": {
-      "version": "12.2.0",
-      "resolved": "https://registry.npmjs.org/diagram-js/-/diagram-js-12.2.0.tgz",
-      "integrity": "sha512-CXo/qc2KJz663t2b7AlrkeMCo4SdVZMNxq4oNwUN6QzbWesnbjNCwS9aptIDFkpBjXRGtgOzf/T6D6QaVJfTqw==",
+      "version": "git+ssh://git@github.com/bpmn-io/diagram-js.git#56e2f4caf9cb44de8ff8b8abe2f397e094d3f77e",
+      "from": "diagram-js@github:bpmn-io/diagram-js#hackdays",
       "requires": {
         "@bpmn-io/diagram-js-ui": "^0.2.2",
         "clsx": "^1.2.1",
diff --git a/package.json b/package.json
index 04d4c50eb2..be950c9960 100644
--- a/package.json
+++ b/package.json
@@ -109,7 +109,7 @@
   },
   "dependencies": {
     "bpmn-moddle": "^8.0.0",
-    "diagram-js": "^12.2.0",
+    "diagram-js": "github:bpmn-io/diagram-js#hackdays",
     "diagram-js-direct-editing": "^2.0.0",
     "ids": "^1.0.0",
     "inherits-browser": "^0.1.0",