diff --git a/.travis.yml b/.travis.yml
index c956824..b089e7a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,10 @@ sudo: required
 before_script:
   - npm install -g polymer-cli
   - polymer install --variants
+  - >-
+    npm run update-types && git diff --exit-code || (echo -e
+    '\n\033[31mERROR:\033[0m Typings are stale. Please run "npm run
+    update-types".' &&false)
 env:
   global:
     - secure: >-
@@ -23,4 +27,4 @@ script:
   - >-
     if [ "${TRAVIS_PULL_REQUEST}" = "false" ]; then polymer test -s 'default';
     fi
-dist: trusty
\ No newline at end of file
+dist: trusty
diff --git a/package-lock.json b/package-lock.json
index b636368..c78efb4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,20 +4,76 @@
   "lockfileVersion": 1,
   "dependencies": {
     "@polymer/gen-typescript-declarations": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/@polymer/gen-typescript-declarations/-/gen-typescript-declarations-1.0.1.tgz",
-      "integrity": "sha512-FrnJ6oQQ9RNHP97YpbPfm915X7waWaNjIASU1rIhh6ZuWF4yOjQAccnXQShdfZAHUmCp2wlg6VtgbqRd6+4eQA==",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@polymer/gen-typescript-declarations/-/gen-typescript-declarations-1.1.1.tgz",
+      "integrity": "sha512-rUfH6USpiPYSHl2dC+/rGb3RYK8LPyqNhiuZCLv13F0fhYr01jdTogGuSphEoSLklm1gKRsDsrfZq7OvpzPYEg==",
       "dev": true,
       "requires": {
         "@types/doctrine": "0.0.3",
         "@types/fs-extra": "5.0.0",
+        "@types/glob": "5.0.35",
         "command-line-args": "5.0.1",
         "command-line-usage": "4.1.0",
         "doctrine": "2.1.0",
         "escodegen": "1.9.0",
         "fs-extra": "5.0.0",
+        "glob": "7.1.2",
         "minimatch": "3.0.4",
-        "polymer-analyzer": "3.0.0-pre.9"
+        "polymer-analyzer": "3.0.0-pre.10"
+      },
+      "dependencies": {
+        "@types/node": {
+          "version": "6.0.97",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-6.0.97.tgz",
+          "integrity": "sha512-k3CDdCq8Uv8AZ7/bmGSSvlwbPDPhkkckSq8Y9ndXowv86m3k07PjG98SigpjVAY9EyHV9kiFldEV306xh4gkig==",
+          "dev": true
+        },
+        "polymer-analyzer": {
+          "version": "3.0.0-pre.10",
+          "resolved": "https://registry.npmjs.org/polymer-analyzer/-/polymer-analyzer-3.0.0-pre.10.tgz",
+          "integrity": "sha1-9vCd15PdL0IomsAdoCb8q6ZfGYw=",
+          "dev": true,
+          "requires": {
+            "@types/babel-generator": "6.25.1",
+            "@types/babel-traverse": "6.25.3",
+            "@types/babel-types": "6.25.2",
+            "@types/babylon": "6.16.2",
+            "@types/chai-subset": "1.3.1",
+            "@types/chalk": "0.4.31",
+            "@types/clone": "0.1.30",
+            "@types/cssbeautify": "0.3.1",
+            "@types/doctrine": "0.0.1",
+            "@types/minimatch": "3.0.3",
+            "@types/node": "6.0.97",
+            "@types/parse5": "2.2.34",
+            "babel-generator": "6.26.0",
+            "babel-traverse": "6.26.0",
+            "babel-types": "6.26.0",
+            "babylon": "6.18.0",
+            "chalk": "1.1.3",
+            "clone": "2.1.1",
+            "cssbeautify": "0.3.1",
+            "doctrine": "2.1.0",
+            "dom5": "2.3.0",
+            "indent": "0.0.2",
+            "jsonschema": "1.2.2",
+            "minimatch": "3.0.4",
+            "parse5": "2.2.3",
+            "polymer-project-config": "3.8.1",
+            "shady-css-parser": "0.1.0",
+            "stable": "0.1.6",
+            "strip-indent": "2.0.0",
+            "vscode-uri": "1.0.1"
+          },
+          "dependencies": {
+            "@types/doctrine": {
+              "version": "0.0.1",
+              "resolved": "https://registry.npmjs.org/@types/doctrine/-/doctrine-0.0.1.tgz",
+              "integrity": "sha1-uZny2fe0PKvgoaLzm8IDvH3K2p0=",
+              "dev": true
+            }
+          }
+        }
       }
     },
     "@types/babel-generator": {
@@ -92,6 +148,12 @@
       "integrity": "sha1-6JLSk8ksnB0/mvcsFaVU+8fgiVo=",
       "dev": true
     },
+    "@types/events": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@types/events/-/events-1.1.0.tgz",
+      "integrity": "sha512-y3bR98mzYOo0pAZuiLari+cQyiKk3UXRuT45h1RjhfeCzqkjaVsfZJNaxdgtk7/3tzOm1ozLTqEqMP3VbI48jw==",
+      "dev": true
+    },
     "@types/fs-extra": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-5.0.0.tgz",
@@ -101,6 +163,17 @@
         "@types/node": "9.4.0"
       }
     },
+    "@types/glob": {
+      "version": "5.0.35",
+      "resolved": "https://registry.npmjs.org/@types/glob/-/glob-5.0.35.tgz",
+      "integrity": "sha512-wc+VveszMLyMWFvXLkloixT4n0harUIVZjnpzztaZ0nKLuul7Z32iMt2fUFGAaZ4y1XWjFRMtCI5ewvyh4aIeg==",
+      "dev": true,
+      "requires": {
+        "@types/events": "1.1.0",
+        "@types/minimatch": "3.0.3",
+        "@types/node": "9.4.0"
+      }
+    },
     "@types/minimatch": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
@@ -484,6 +557,26 @@
         "universalify": "0.1.1"
       }
     },
+    "fs.realpath": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
+    },
+    "glob": {
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
+      "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
+      "dev": true,
+      "requires": {
+        "fs.realpath": "1.0.0",
+        "inflight": "1.0.6",
+        "inherits": "2.0.3",
+        "minimatch": "3.0.4",
+        "once": "1.4.0",
+        "path-is-absolute": "1.0.1"
+      }
+    },
     "globals": {
       "version": "9.18.0",
       "resolved": "https://registry.npmjs.org/globals/-/globals-9.18.0.tgz",
@@ -511,6 +604,22 @@
       "integrity": "sha1-jHnwgBkFWbaHA0uEx676l9WpEdk=",
       "dev": true
     },
+    "inflight": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "dev": true,
+      "requires": {
+        "once": "1.4.0",
+        "wrappy": "1.0.2"
+      }
+    },
+    "inherits": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
+      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+      "dev": true
+    },
     "invariant": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/invariant/-/invariant-2.2.2.tgz",
@@ -629,6 +738,15 @@
       "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
       "dev": true
     },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
+        "wrappy": "1.0.2"
+      }
+    },
     "optionator": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
@@ -649,6 +767,12 @@
       "integrity": "sha1-DE/EHBAAxea5PUiwP4CDg3g06fY=",
       "dev": true
     },
+    "path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
+    },
     "plylog": {
       "version": "0.5.0",
       "resolved": "https://registry.npmjs.org/plylog/-/plylog-0.5.0.tgz",
@@ -668,58 +792,6 @@
         }
       }
     },
-    "polymer-analyzer": {
-      "version": "3.0.0-pre.9",
-      "resolved": "https://registry.npmjs.org/polymer-analyzer/-/polymer-analyzer-3.0.0-pre.9.tgz",
-      "integrity": "sha512-yn1mcaRq9ufchMcsvC6DvVNWDUCyyyPoQkKuhbprWLiJ3ZTHJdzhZ2xhouk8aOkwVgj7xn8c3Ei3uh5/C6s5cw==",
-      "dev": true,
-      "requires": {
-        "@types/babel-generator": "6.25.1",
-        "@types/babel-traverse": "6.25.3",
-        "@types/babel-types": "6.25.2",
-        "@types/babylon": "6.16.2",
-        "@types/chai-subset": "1.3.1",
-        "@types/chalk": "0.4.31",
-        "@types/clone": "0.1.30",
-        "@types/cssbeautify": "0.3.1",
-        "@types/doctrine": "0.0.1",
-        "@types/minimatch": "3.0.3",
-        "@types/node": "6.0.96",
-        "@types/parse5": "2.2.34",
-        "babel-generator": "6.26.0",
-        "babel-traverse": "6.26.0",
-        "babel-types": "6.26.0",
-        "babylon": "6.18.0",
-        "chalk": "1.1.3",
-        "clone": "2.1.1",
-        "cssbeautify": "0.3.1",
-        "doctrine": "2.1.0",
-        "dom5": "2.3.0",
-        "indent": "0.0.2",
-        "jsonschema": "1.2.2",
-        "minimatch": "3.0.4",
-        "parse5": "2.2.3",
-        "polymer-project-config": "3.8.1",
-        "shady-css-parser": "0.1.0",
-        "stable": "0.1.6",
-        "strip-indent": "2.0.0",
-        "vscode-uri": "1.0.1"
-      },
-      "dependencies": {
-        "@types/doctrine": {
-          "version": "0.0.1",
-          "resolved": "https://registry.npmjs.org/@types/doctrine/-/doctrine-0.0.1.tgz",
-          "integrity": "sha1-uZny2fe0PKvgoaLzm8IDvH3K2p0=",
-          "dev": true
-        },
-        "@types/node": {
-          "version": "6.0.96",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-6.0.96.tgz",
-          "integrity": "sha512-fsOOY6tMQ3jCB2wD51XFDmmpgm4wVKkJECdcVRqapbJEa7awJDcr+SaH8toz+4r4KW8YQ3M7ybXMoSDo1QGewA==",
-          "dev": true
-        }
-      }
-    },
     "polymer-project-config": {
       "version": "3.8.1",
       "resolved": "https://registry.npmjs.org/polymer-project-config/-/polymer-project-config-3.8.1.tgz",
@@ -903,6 +975,12 @@
         "reduce-flatten": "1.0.1",
         "typical": "2.6.1"
       }
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
     }
   }
 }
diff --git a/package.json b/package.json
index c4dc6be..74c037a 100644
--- a/package.json
+++ b/package.json
@@ -6,12 +6,12 @@
     "type": "git",
     "url": "git://github.com/PolymerElements/iron-fit-behavior.git"
   },
-  "license": "http://polymer.github.io/LICENSE.txt",
+  "license": "BSD-3-Clause",
   "devDependencies": {
-    "@polymer/gen-typescript-declarations": "^1.0.1",
+    "@polymer/gen-typescript-declarations": "^1.1.1",
     "bower": "^1.8.0"
   },
   "scripts": {
-    "update-types": "rm -f *.d.ts **/*.d.ts && bower install && gen-typescript-declarations --outDir ."
+    "update-types": "bower install && gen-typescript-declarations --deleteExisting --outDir ."
   }
 }