chore: release new versions

- @open-wc/lit-helpers@0.3.0

packages/lit-helpers/CHANGELOG.md

@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [0.3.0](https://github.com/open-wc/open-wc/compare/@open-wc/lit-helpers@0.2.10...@open-wc/lit-helpers@0.3.0) (2020-02-22)
+
+
+### Features
+
+* **lit-helpers:** add ReadOnlyPropertiesMixin ([#1265](https://github.com/open-wc/open-wc/issues/1265)) ([18690c5](https://github.com/open-wc/open-wc/commit/18690c59acb86885da0546e80d12b4f8b1b3422e))
+
+
+
+
+
 ## [0.2.10](https://github.com/open-wc/open-wc/compare/@open-wc/lit-helpers@0.2.9...@open-wc/lit-helpers@0.2.10) (2020-02-12)
 
 

packages/lit-helpers/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@open-wc/lit-helpers",
-  "version": "0.2.10",
+  "version": "0.3.0",
   "publishConfig": {
     "access": "public"
   },
@@ -29,8 +29,8 @@
     "helpers"
   ],
   "peerDependencies": {
-    "lit-html": "^1.0.0",
-    "lit-element": "^1.0.0"
+    "lit-element": "^1.0.0",
+    "lit-html": "^1.0.0"
   },
   "devDependencies": {
     "@open-wc/testing": "^2.5.4",