diff --git a/WORKSPACE b/WORKSPACE
index a55fe21..64bf62a 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -70,7 +70,7 @@
   name = "iron_a11y_keys_behavior",
   build_file = "bower.BUILD",
   remote = "https://github.com/polymerelements/iron-a11y-keys-behavior.git",
-  tag = "v1.1.6",
+  tag = "v1.1.2",
 )
 
 new_git_repository(
@@ -84,7 +84,7 @@
   name = "iron_autogrow_textarea",
   build_file = "bower.BUILD",
   remote = "https://github.com/polymerelements/iron-autogrow-textarea.git",
-  tag = "v1.0.12",
+  tag = "v1.0.11",
 )
 
 new_git_repository(
@@ -112,21 +112,21 @@
   name = "iron_dropdown",
   build_file = "bower.BUILD",
   remote = "https://github.com/polymerelements/iron-dropdown.git",
-  tag = "v1.4.1",
+  tag = "v1.4.0",
 )
 
 new_git_repository(
   name = "iron_fit_behavior",
   build_file = "bower.BUILD",
   remote = "https://github.com/polymerelements/iron-fit-behavior.git",
-  tag = "v1.2.3",
+  tag = "v1.2.1",
 )
 
 new_git_repository(
   name = "iron_flex_layout",
   build_file = "bower.BUILD",
   remote = "https://github.com/polymerelements/iron-flex-layout.git",
-  tag = "v1.3.1",
+  tag = "v1.3.0",
 )
 
 new_git_repository(
@@ -161,7 +161,7 @@
   name = "iron_input",
   build_file = "bower.BUILD",
   remote = "https://github.com/polymerelements/iron-input.git",
-  tag = "1.0.10",
+  tag = "v1.0.7",
 )
 
 new_git_repository(
@@ -189,14 +189,14 @@
   name = "iron_overlay_behavior",
   build_file = "bower.BUILD",
   remote = "https://github.com/polymerelements/iron-overlay-behavior.git",
-  tag = "v1.8.3",
+  tag = "v1.7.6",
 )
 
 new_git_repository(
   name = "iron_range_behavior",
   build_file = "bower.BUILD",
   remote = "https://github.com/polymerelements/iron-range-behavior.git",
-  tag = "v1.0.5",
+  tag = "v1.0.4",
 )
 
 new_git_repository(
@@ -231,7 +231,7 @@
   name = "neon_animation",
   build_file = "bower.BUILD",
   remote = "https://github.com/polymerelements/neon-animation.git",
-  tag = "v1.2.3",
+  tag = "v1.2.2",
 )
 
 new_git_repository(
@@ -266,7 +266,7 @@
   name = "paper_dialog_behavior",
   build_file = "bower.BUILD",
   remote = "https://github.com/polymerelements/paper-dialog-behavior.git",
-  tag = "v1.2.7",
+  tag = "v1.2.5",
 )
 
 new_git_repository(
@@ -322,7 +322,7 @@
   name = "paper_menu_button",
   build_file = "bower.BUILD",
   remote = "https://github.com/polymerelements/paper-menu-button.git",
-  tag = "v1.3.0",
+  tag = "v1.2.0",
 )
 
 new_git_repository(
@@ -350,7 +350,7 @@
   name = "paper_ripple",
   build_file = "bower.BUILD",
   remote = "https://github.com/polymerelements/paper-ripple.git",
-  tag = "v1.0.8",
+  tag = "v1.0.5",
 )
 
 new_git_repository(
@@ -406,7 +406,7 @@
   name = "polymer",
   build_file = "bower.BUILD",
   remote = "https://github.com/polymer/polymer.git",
-  tag = "v1.5.0",
+  tag = "v1.6.0",
 )
 
 new_git_repository(
@@ -426,6 +426,6 @@
 new_git_repository(
   name = "webcomponentsjs",
   build_file = "bower.BUILD",
-  remote = "https://github.com/polymer/webcomponentsjs.git",
+  remote = "https://github.com/webcomponents/webcomponentsjs.git",
   tag = "v0.7.22",
 )
diff --git a/tensorflow/tensorboard/bower.json b/tensorflow/tensorboard/bower.json
index c410fd8..a67df6e 100644
--- a/tensorflow/tensorboard/bower.json
+++ b/tensorflow/tensorboard/bower.json
@@ -53,13 +53,13 @@
     "iron-iconset-svg": "PolymerElements/iron-iconset-svg#1.0.9",
     "iron-input": "PolymerElements/iron-input#1.0.7",
     "iron-list": "PolymerElements/iron-list#1.1.7",
-    "iron-menu-behavior": "PolymerElements/iron-menu-behavior#1.1.7",
+    "iron-menu-behavior": "PolymerElements/iron-menu-behavior#1.1.8",
     "iron-meta": "PolymerElements/iron-meta#1.1.1",
     "iron-overlay-behavior": "PolymerElements/iron-overlay-behavior#1.7.6",
     "iron-range-behavior": "PolymerElements/iron-range-behavior#1.0.4",
     "iron-resizable-behavior": "PolymerElements/iron-resizable-behavior#1.0.3",
     "iron-selector": "PolymerElements/iron-selector#1.2.4",
-    "iron-validatable-behavior": "PolymerElements/iron-validatable-behavior#1.0.5",
+    "iron-validatable-behavior": "PolymerElements/iron-validatable-behavior#1.1.1",
     "lodash": "3.8.0",
     "neon-animation": "PolymerElements/neon-animation#1.2.2",
     "paper-behaviors": "PolymerElements/paper-behaviors#1.0.11",
@@ -74,7 +74,7 @@
     "paper-item": "PolymerElements/paper-item#1.1.4",
     "paper-material": "PolymerElements/paper-material#1.0.6",
     "paper-menu": "PolymerElements/paper-menu#1.2.2",
-    "paper-menu-button": "PolymerElements/paper-menu-button#1.1.0",
+    "paper-menu-button": "PolymerElements/paper-menu-button#1.2.0",
     "paper-progress": "PolymerElements/paper-progress#1.0.9",
     "paper-radio-button": "PolymerElements/paper-radio-button#1.1.2",
     "paper-radio-group": "PolymerElements/paper-radio-group#1.0.9",
@@ -86,7 +86,7 @@
     "paper-toolbar": "PolymerElements/paper-toolbar#1.1.4",
     "paper-tooltip": "PolymerElements/paper-tooltip#1.1.2",
     "plottable": "1.16.1",
-    "polymer": "1.5.0",
+    "polymer": "1.6.0",
     "promise-polyfill": "polymerlabs/promise-polyfill#1.0.0",
     "web-animations-js": "web-animations/web-animations-js#2.2.1",
     "webcomponentsjs": "webcomponents/webcomponentsjs#0.7.22"
@@ -128,13 +128,13 @@
     "iron-iconset-svg": "1.0.9",
     "iron-input": "1.0.7",
     "iron-list": "1.1.7",
-    "iron-menu-behavior": "1.1.7",
+    "iron-menu-behavior": "1.1.8",
     "iron-meta": "1.1.1",
     "iron-overlay-behavior": "1.7.6",
     "iron-range-behavior": "1.0.4",
     "iron-resizable-behavior": "1.0.3",
     "iron-selector": "1.2.4",
-    "iron-validatable-behavior": "1.0.5",
+    "iron-validatable-behavior": "1.1.1",
     "lodash": "3.8.0",
     "neon-animation": "1.2.2",
     "paper-behaviors": "1.0.11",
@@ -149,7 +149,7 @@
     "paper-item": "1.1.4",
     "paper-material": "1.0.6",
     "paper-menu": "1.2.2",
-    "paper-menu-button": "1.1.0",
+    "paper-menu-button": "1.2.0",
     "paper-progress": "1.0.9",
     "paper-radio-button": "1.1.2",
     "paper-radio-group": "1.0.9",
@@ -161,7 +161,7 @@
     "paper-toolbar": "1.1.4",
     "paper-tooltip": "1.1.2",
     "plottable": "1.16.1",
-    "polymer": "1.5.0",
+    "polymer": "1.6.0",
     "promise-polyfill": "1.0.0",
     "web-animations-js": "2.2.1",
     "webcomponentsjs": "0.7.22"