diff --git a/package.json b/package.json
index 2ab56916..eeddaa50 100644
--- a/package.json
+++ b/package.json
@@ -38,6 +38,6 @@
     "semantic-ui-less": "^2.2.4"
   },
   "dependencies": {
-    "pxt-core": "0.12.62"
+    "pxt-core": "0.12.63"
   }
 }
diff --git a/targetconfig.json b/targetconfig.json
index 8560ebed..46128b33 100644
--- a/targetconfig.json
+++ b/targetconfig.json
@@ -13,9 +13,9 @@
     },
     "languages": [
         "de",
-        "du",
         "fr",
         "ja",
+        "nl",
         "no",
         "sv-SE",
         "si-LK",