diff --git a/bower.json b/bower.json
index fe74bd5..0ebbcb6 100644
--- a/bower.json
+++ b/bower.json
@@ -19,25 +19,25 @@
   },
   "ignore": [],
   "dependencies": {
-    "iron-flex-layout": "PolymerElements/iron-flex-layout#2.0-preview",
-    "iron-meta": "PolymerElements/iron-meta#2.0-preview",
-    "polymer": "Polymer/polymer#^2.0.0-rc.1"
+    "iron-flex-layout": "PolymerElements/iron-flex-layout#1 - 2",
+    "iron-meta": "PolymerElements/iron-meta#1 - 2",
+    "polymer": "Polymer/polymer#1.9 - 2"
   },
   "devDependencies": {
-    "promise-polyfill": "polymerlabs/promise-polyfill#2.0-preview",
-    "iron-iconset": "PolymerElements/iron-iconset#2.0-preview",
-    "iron-icons": "PolymerElements/iron-icons#2.0-preview",
-    "iron-component-page": "polymerelements/iron-component-page#2.0-preview",
-    "web-component-tester": "^6.0.0-prerelease.6",
-    "webcomponentsjs": "webcomponents/webcomponentsjs#^1.0.0-rc.1",
-    "iron-demo-helpers": "PolymerElements/iron-demo-helpers#2.0-preview"
+    "promise-polyfill": "polymerlabs/promise-polyfill#1 - 2",
+    "iron-iconset": "PolymerElements/iron-iconset#1 - 2",
+    "iron-icons": "PolymerElements/iron-icons#1 - 2",
+    "iron-component-page": "polymerelements/iron-component-page#1 - 2",
+    "web-component-tester": "^6.0.0",
+    "webcomponentsjs": "webcomponents/webcomponentsjs#^1.0.0",
+    "iron-demo-helpers": "PolymerElements/iron-demo-helpers#1 - 2"
   },
   "variants": {
     "1.x": {
       "dependencies": {
         "iron-flex-layout": "polymerelements/iron-flex-layout#^1.0.0",
         "iron-meta": "polymerelements/iron-meta#^1.0.0",
-        "polymer": "Polymer/polymer#^1.1.0"
+        "polymer": "Polymer/polymer#^1.9"
       },
       "devDependencies": {
         "promise-polyfill": "polymerlabs/promise-polyfill#^1.0.0",
@@ -47,7 +47,13 @@
         "web-component-tester": "^4.0.0",
         "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0",
         "iron-demo-helpers": "PolymerElements/iron-demo-helpers#^1.2.5"
+      },
+      "resolutions": {
+        "webcomponentsjs": "^0.7"
       }
     }
+  },
+  "resolutions": {
+    "webcomponentsjs": "^1.0.0"
   }
 }