diff --git a/WORKSPACE b/WORKSPACE
index afc8d9c..6a9c717 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -1139,8 +1139,8 @@
 bower_archive(
     name = "polymer",
     package = "polymer/polymer",
-    sha1 = "566b5fe9a2a3eea2cf3417c67d975a6752d131eb",
-    version = "1.9.3",
+    sha1 = "62ce80a5079c1b97f6c5c6ebf6b350e741b18b9c",
+    version = "1.11.0",
 )
 
 bower_archive(
diff --git a/lib/js/bower_archives.bzl b/lib/js/bower_archives.bzl
index fef18aa..d3f7483 100644
--- a/lib/js/bower_archives.bzl
+++ b/lib/js/bower_archives.bzl
@@ -39,7 +39,7 @@
     sha1 = "f58358ee652c67e6e721364ba50fb77a2ece1465")
   bower_archive(
     name = "iron-behaviors",
-    package = "polymerelements/iron-behaviors",
+    package = "PolymerElements/iron-behaviors",
     version = "1.0.18",
     sha1 = "e231a1a02b090f5183db917639fdb96cdd0dca18")
   bower_archive(
@@ -54,7 +54,7 @@
     sha1 = "01c485fbf898307029bbb72ac7e132db1570a842")
   bower_archive(
     name = "iron-flex-layout",
-    package = "polymerelements/iron-flex-layout",
+    package = "PolymerElements/iron-flex-layout",
     version = "1.3.7",
     sha1 = "4d4cf3232cf750a17a7df0a37476117f831ac633")
   bower_archive(
@@ -139,6 +139,6 @@
     sha1 = "2ba5548d36188fe54555eaad0a576de4b027661e")
   bower_archive(
     name = "webcomponentsjs",
-    package = "webcomponentsjs",
+    package = "webcomponents/webcomponentsjs",
     version = "0.7.24",
     sha1 = "559227f8ee9db9bfbd81989f24510cc0c1bfc65c")