diff --git a/package-lock.json b/package-lock.json
index 9d705af9c3..74f92a5b66 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "ol",
-  "version": "6.15.1",
+  "version": "6.15.2-dev",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "ol",
-      "version": "6.15.1",
+      "version": "6.15.2-dev",
       "license": "BSD-2-Clause",
       "dependencies": {
         "geotiff": "2.0.4",
diff --git a/package.json b/package.json
index dc37930243..6c456e61f1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ol",
-  "version": "6.15.1",
+  "version": "6.15.2-dev",
   "description": "OpenLayers mapping library",
   "keywords": [
     "map",