diff --git a/package-lock.json b/package-lock.json
index af7a10e..f699788 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "@polymer/iron-validatable-behavior": "^3.0.0-pre.26",
         "@polymer/paper-behaviors": "^3.0.0-pre.27",
         "@polymer/paper-input": "^3.1.0",
-        "@polymer/paper-menu-button": "^3.0.0-pre.26",
+        "@polymer/paper-menu-button": "^3.1.0",
         "@polymer/paper-ripple": "^3.0.0-pre.26",
         "@polymer/paper-styles": "^3.0.0-pre.26",
         "@polymer/polymer": "^3.3.1"
@@ -287,9 +287,9 @@
       }
     },
     "node_modules/@polymer/iron-fit-behavior": {
-      "version": "3.0.0-pre.26",
-      "resolved": "https://registry.npmjs.org/@polymer/iron-fit-behavior/-/iron-fit-behavior-3.0.0-pre.26.tgz",
-      "integrity": "sha512-GAeRVnyj1fUR6eFV+YpLOzmQIsIGkQ9FVLsD3T5yOhDuXnhBJ0RLhZ5sCW/f+9HLTheR0ZAbuehGOiw3HZr9Jw==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@polymer/iron-fit-behavior/-/iron-fit-behavior-3.1.0.tgz",
+      "integrity": "sha512-ABcgIYqrjhmUT8tiuolqeGttF/8pd3sEymUDrO1vXbZu4FWIvoLNndrMDFvs++AGd12Mjf5pYy84NJc6dB8Vig==",
       "dependencies": {
         "@polymer/polymer": "^3.0.0"
       }
@@ -495,16 +495,16 @@
       }
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     "node_modules/@polymer/paper-menu-button": {
-      "version": "3.0.0-pre.26",
-      "resolved": "https://registry.npmjs.org/@polymer/paper-menu-button/-/paper-menu-button-3.0.0-pre.26.tgz",
-      "integrity": "sha512-ZAbWT9/FBBp9pGU1xN2UGdeo/80yr/jntnvb/AIA04kKK0z5t09mol5ssMOqy9Zion4EHjjkGfXq29DZO6XWDA==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@polymer/paper-menu-button/-/paper-menu-button-3.1.0.tgz",
+      "integrity": "sha512-q0G0/rvYD/FFmIBMGCQWjfXzRqwFw9+WHSYV4uOQzM1Ln8LMXSAd+2CENsbVwtMh6fmBePj15ZlU8SM2dt1WDQ==",
       "dependencies": {
-        "@polymer/iron-a11y-keys-behavior": "^3.0.0-pre.25",
-        "@polymer/iron-behaviors": "^3.0.0-pre.25",
-        "@polymer/iron-dropdown": "^3.0.0-pre.25",
-        "@polymer/iron-fit-behavior": "^3.0.0-pre.25",
-        "@polymer/neon-animation": "^3.0.0-pre.25",
-        "@polymer/paper-styles": "^3.0.0-pre.25",
+        "@polymer/iron-a11y-keys-behavior": "^3.0.0-pre.26",
+        "@polymer/iron-behaviors": "^3.0.0-pre.26",
+        "@polymer/iron-dropdown": "^3.0.0-pre.26",
+        "@polymer/iron-fit-behavior": "^3.1.0",
+        "@polymer/neon-animation": "^3.0.0-pre.26",
+        "@polymer/paper-styles": "^3.0.0-pre.26",
         "@polymer/polymer": "^3.0.0"
       }
     },
@@ -1405,8 +1405,7 @@
         "esprima": "^3.1.3",
         "estraverse": "^4.2.0",
         "esutils": "^2.0.2",
-        "optionator": "^0.8.1",
-        "source-map": "~0.6.1"
+        "optionator": "^0.8.1"
       },
       "bin": {
         "escodegen": "bin/escodegen.js",
@@ -2708,9 +2707,6 @@
       "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.15.0.tgz",
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       "dev": true,
-      "dependencies": {
-        "clipboard": "^2.0.0"
-      },
       "optionalDependencies": {
         "clipboard": "^2.0.0"
       }
@@ -3797,9 +3793,9 @@
       }
     },
     "@polymer/iron-fit-behavior": {
-      "version": "3.0.0-pre.26",
-      "resolved": "https://registry.npmjs.org/@polymer/iron-fit-behavior/-/iron-fit-behavior-3.0.0-pre.26.tgz",
-      "integrity": "sha512-GAeRVnyj1fUR6eFV+YpLOzmQIsIGkQ9FVLsD3T5yOhDuXnhBJ0RLhZ5sCW/f+9HLTheR0ZAbuehGOiw3HZr9Jw==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@polymer/iron-fit-behavior/-/iron-fit-behavior-3.1.0.tgz",
+      "integrity": "sha512-ABcgIYqrjhmUT8tiuolqeGttF/8pd3sEymUDrO1vXbZu4FWIvoLNndrMDFvs++AGd12Mjf5pYy84NJc6dB8Vig==",
       "requires": {
         "@polymer/polymer": "^3.0.0"
       }
@@ -4005,16 +4001,16 @@
       }
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     "@polymer/paper-menu-button": {
-      "version": "3.0.0-pre.26",
-      "resolved": "https://registry.npmjs.org/@polymer/paper-menu-button/-/paper-menu-button-3.0.0-pre.26.tgz",
-      "integrity": "sha512-ZAbWT9/FBBp9pGU1xN2UGdeo/80yr/jntnvb/AIA04kKK0z5t09mol5ssMOqy9Zion4EHjjkGfXq29DZO6XWDA==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@polymer/paper-menu-button/-/paper-menu-button-3.1.0.tgz",
+      "integrity": "sha512-q0G0/rvYD/FFmIBMGCQWjfXzRqwFw9+WHSYV4uOQzM1Ln8LMXSAd+2CENsbVwtMh6fmBePj15ZlU8SM2dt1WDQ==",
       "requires": {
-        "@polymer/iron-a11y-keys-behavior": "^3.0.0-pre.25",
-        "@polymer/iron-behaviors": "^3.0.0-pre.25",
-        "@polymer/iron-dropdown": "^3.0.0-pre.25",
-        "@polymer/iron-fit-behavior": "^3.0.0-pre.25",
-        "@polymer/neon-animation": "^3.0.0-pre.25",
-        "@polymer/paper-styles": "^3.0.0-pre.25",
+        "@polymer/iron-a11y-keys-behavior": "^3.0.0-pre.26",
+        "@polymer/iron-behaviors": "^3.0.0-pre.26",
+        "@polymer/iron-dropdown": "^3.0.0-pre.26",
+        "@polymer/iron-fit-behavior": "^3.1.0",
+        "@polymer/neon-animation": "^3.0.0-pre.26",
+        "@polymer/paper-styles": "^3.0.0-pre.26",
         "@polymer/polymer": "^3.0.0"
       }
     },
diff --git a/package.json b/package.json
index 20a0db6..63bce0a 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "@polymer/iron-validatable-behavior": "^3.0.0-pre.26",
     "@polymer/paper-behaviors": "^3.0.0-pre.27",
     "@polymer/paper-input": "^3.1.0",
-    "@polymer/paper-menu-button": "^3.0.0-pre.26",
+    "@polymer/paper-menu-button": "^3.1.0",
     "@polymer/paper-ripple": "^3.0.0-pre.26",
     "@polymer/paper-styles": "^3.0.0-pre.26",
     "@polymer/polymer": "^3.3.1"