diff --git a/fieldeditors/field_music.ts b/fieldeditors/field_music.ts
index 96e5f751..359d5793 100644
--- a/fieldeditors/field_music.ts
+++ b/fieldeditors/field_music.ts
@@ -20,7 +20,7 @@ export class FieldMusic extends pxtblockly.FieldImages implements Blockly.FieldC
     private categoriesCache_: string[];
 
     constructor(text: string, options: FieldMusicOptions, validator?: Function) {
-        super(text, { sort: true, data: options.data }, validator);
+        super(text, { blocksInfo: options.blocksInfo, sort: true, data: options.data }, validator);
 
         this.columns_ = parseInt(options.columns) || 4;
         this.width_ = parseInt(options.width) || 380;
diff --git a/fieldeditors/field_ports.ts b/fieldeditors/field_ports.ts
index 8131c446..16adbcac 100644
--- a/fieldeditors/field_ports.ts
+++ b/fieldeditors/field_ports.ts
@@ -11,7 +11,7 @@ export class FieldPorts extends pxtblockly.FieldImages implements Blockly.FieldC
     public isFieldCustom_ = true;
 
     constructor(text: string, options: FieldPortsOptions, validator?: Function) {
-        super(text, { sort: true, data: options.data }, validator);
+        super(text, { blocksInfo: options.blocksInfo, sort: true, data: options.data }, validator);
 
         this.columns_ = parseInt(options.columns) || 4;
         this.width_ = parseInt(options.width) || 300;
diff --git a/package.json b/package.json
index 0ab9fe79..eb8ff198 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pxt-ev3",
-  "version": "0.4.3",
+  "version": "1.0.0",
   "description": "LEGO MINDSTORMS EV3 for Microsoft MakeCode",
   "private": true,
   "keywords": [
@@ -39,8 +39,8 @@
     "webfonts-generator": "^0.4.0"
   },
   "dependencies": {
-    "pxt-common-packages": "0.23.54",
-    "pxt-core": "3.21.7"
+    "pxt-common-packages": "0.23.55",
+    "pxt-core": "4.0.1"
   },
   "scripts": {
     "test": "node node_modules/pxt-core/built/pxt.js travis"