diff --git a/package-lock.json b/package-lock.json
index 1f908c06e..f0f6bbb52 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -691,15 +691,13 @@
       "dev": true
     },
     "ajv": {
-      "version": "5.5.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
-      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+      "version": "4.11.8",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
+      "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
       "dev": true,
       "requires": {
         "co": "^4.6.0",
-        "fast-deep-equal": "^1.0.0",
-        "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.3.0"
+        "json-stable-stringify": "^1.0.1"
       }
     },
     "align-text": {
@@ -846,9 +844,9 @@
       "dev": true
     },
     "assert-plus": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-0.2.0.tgz",
+      "integrity": "sha1-104bh+ev/A24qttwIfP+SBAasjQ=",
       "dev": true
     },
     "assign-symbols": {
@@ -876,9 +874,9 @@
       "dev": true
     },
     "aws-sign2": {
-      "version": "0.7.0",
-      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
-      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.6.0.tgz",
+      "integrity": "sha1-FDQt0428yU0OW4fXY81jYSwOeU8=",
       "dev": true
     },
     "aws4": {
@@ -995,6 +993,15 @@
         "inherits": "~2.0.0"
       }
     },
+    "boom": {
+      "version": "2.10.1",
+      "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
+      "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
+      "dev": true,
+      "requires": {
+        "hoek": "2.x.x"
+      }
+    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -1551,6 +1558,15 @@
         "which": "^1.2.9"
       }
     },
+    "cryptiles": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-2.0.5.tgz",
+      "integrity": "sha1-O9/s3GCBR8HGcgL6KR59ylnqo7g=",
+      "dev": true,
+      "requires": {
+        "boom": "2.x.x"
+      }
+    },
     "currently-unhandled": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/currently-unhandled/-/currently-unhandled-0.4.1.tgz",
@@ -1576,6 +1592,14 @@
       "dev": true,
       "requires": {
         "assert-plus": "^1.0.0"
+      },
+      "dependencies": {
+        "assert-plus": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+          "dev": true
+        }
       }
     },
     "dateformat": {
@@ -1954,12 +1978,6 @@
       "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
       "dev": true
     },
-    "fast-deep-equal": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
-      "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
-      "dev": true
-    },
     "fast-glob": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-2.2.2.tgz",
@@ -1974,12 +1992,6 @@
         "micromatch": "^3.1.10"
       }
     },
-    "fast-json-stable-stringify": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
-      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I=",
-      "dev": true
-    },
     "figures": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/figures/-/figures-2.0.0.tgz",
@@ -2033,13 +2045,13 @@
       "dev": true
     },
     "form-data": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.2.tgz",
-      "integrity": "sha1-SXBJi+YEwgwAXU9cI67NIda0kJk=",
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.1.4.tgz",
+      "integrity": "sha1-M8GDrPGTJ27KqYFDpp6Uv+4XUNE=",
       "dev": true,
       "requires": {
         "asynckit": "^0.4.0",
-        "combined-stream": "1.0.6",
+        "combined-stream": "^1.0.5",
         "mime-types": "^2.1.12"
       }
     },
@@ -2248,6 +2260,14 @@
       "dev": true,
       "requires": {
         "assert-plus": "^1.0.0"
+      },
+      "dependencies": {
+        "assert-plus": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+          "dev": true
+        }
       }
     },
     "git-raw-commits": {
@@ -2409,19 +2429,19 @@
       }
     },
     "har-schema": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-2.0.0.tgz",
-      "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI=",
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-1.0.5.tgz",
+      "integrity": "sha1-0mMTX0MwfALGAq/I/pWXDAFRNp4=",
       "dev": true
     },
     "har-validator": {
-      "version": "5.0.3",
-      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.0.3.tgz",
-      "integrity": "sha1-ukAsJmGU8VlW7xXg/PJCmT9qff0=",
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-4.2.1.tgz",
+      "integrity": "sha1-M0gdDxu/9gDdID11gSpqX7oALio=",
       "dev": true,
       "requires": {
-        "ajv": "^5.1.0",
-        "har-schema": "^2.0.0"
+        "ajv": "^4.9.1",
+        "har-schema": "^1.0.5"
       }
     },
     "has-ansi": {
@@ -2475,11 +2495,29 @@
         }
       }
     },
+    "hawk": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/hawk/-/hawk-3.1.3.tgz",
+      "integrity": "sha1-B4REvXwWQLD+VA0sm3PVlnjo4cQ=",
+      "dev": true,
+      "requires": {
+        "boom": "2.x.x",
+        "cryptiles": "2.x.x",
+        "hoek": "2.x.x",
+        "sntp": "1.x.x"
+      }
+    },
     "he": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/he/-/he-1.1.1.tgz",
       "integrity": "sha1-k0EP0hsAlzUVH4howvJx80J+I/0="
     },
+    "hoek": {
+      "version": "2.16.3",
+      "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
+      "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
+      "dev": true
+    },
     "hosted-git-info": {
       "version": "2.6.0",
       "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.6.0.tgz",
@@ -2487,12 +2525,12 @@
       "dev": true
     },
     "http-signature": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
-      "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.1.1.tgz",
+      "integrity": "sha1-33LiZwZs0Kxn+3at+OE0qPvPkb8=",
       "dev": true,
       "requires": {
-        "assert-plus": "^1.0.0",
+        "assert-plus": "^0.2.0",
         "jsprim": "^1.2.2",
         "sshpk": "^1.7.0"
       }
@@ -2913,12 +2951,6 @@
       "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM=",
       "dev": true
     },
-    "json-schema-traverse": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
-      "integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A=",
-      "dev": true
-    },
     "json-stable-stringify": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz",
@@ -2963,6 +2995,14 @@
         "extsprintf": "1.3.0",
         "json-schema": "0.2.3",
         "verror": "1.10.0"
+      },
+      "dependencies": {
+        "assert-plus": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+          "dev": true
+        }
       }
     },
     "kind-of": {
@@ -3332,20 +3372,19 @@
       "dev": true
     },
     "node-gyp": {
-      "version": "3.6.2",
-      "resolved": "https://registry.npmjs.org/node-gyp/-/node-gyp-3.6.2.tgz",
-      "integrity": "sha1-m/vlRWIoYoSDjnUOrAUpWFP6HGA=",
+      "version": "3.7.0",
+      "resolved": "https://registry.npmjs.org/node-gyp/-/node-gyp-3.7.0.tgz",
+      "integrity": "sha512-qDQE/Ft9xXP6zphwx4sD0t+VhwV7yFaloMpfbL2QnnDZcyaiakWlLdtFGGQfTAwpFHdpbRhRxVhIHN1OKAjgbg==",
       "dev": true,
       "requires": {
         "fstream": "^1.0.0",
         "glob": "^7.0.3",
         "graceful-fs": "^4.1.2",
-        "minimatch": "^3.0.2",
         "mkdirp": "^0.5.0",
         "nopt": "2 || 3",
         "npmlog": "0 || 1 || 2 || 3 || 4",
         "osenv": "0",
-        "request": "2",
+        "request": ">=2.9.0 <2.82.0",
         "rimraf": "2",
         "semver": "~5.3.0",
         "tar": "^2.0.0",
@@ -3680,9 +3719,9 @@
       }
     },
     "performance-now": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
-      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-0.2.0.tgz",
+      "integrity": "sha1-M+8wxcd9TqIcWlOGnZG1bY8lVeU=",
       "dev": true
     },
     "pify": {
@@ -3766,9 +3805,9 @@
       "dev": true
     },
     "qs": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
-      "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
+      "version": "6.4.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.4.0.tgz",
+      "integrity": "sha1-E+JtKK1rD/qpExLNO/cI7TUecjM=",
       "dev": true
     },
     "quick-lru": {
@@ -4030,31 +4069,33 @@
       }
     },
     "request": {
-      "version": "2.87.0",
-      "resolved": "https://registry.npmjs.org/request/-/request-2.87.0.tgz",
-      "integrity": "sha512-fcogkm7Az5bsS6Sl0sibkbhcKsnyon/jV1kF3ajGmF0c8HrttdKTPRT9hieOaQHA5HEq6r8OyWOo/o781C1tNw==",
+      "version": "2.81.0",
+      "resolved": "https://registry.npmjs.org/request/-/request-2.81.0.tgz",
+      "integrity": "sha1-xpKJRqDgbF+Nb4qTM0af/aRimKA=",
       "dev": true,
       "requires": {
-        "aws-sign2": "~0.7.0",
-        "aws4": "^1.6.0",
+        "aws-sign2": "~0.6.0",
+        "aws4": "^1.2.1",
         "caseless": "~0.12.0",
         "combined-stream": "~1.0.5",
-        "extend": "~3.0.1",
+        "extend": "~3.0.0",
         "forever-agent": "~0.6.1",
-        "form-data": "~2.3.1",
-        "har-validator": "~5.0.3",
-        "http-signature": "~1.2.0",
+        "form-data": "~2.1.1",
+        "har-validator": "~4.2.1",
+        "hawk": "~3.1.3",
+        "http-signature": "~1.1.0",
         "is-typedarray": "~1.0.0",
         "isstream": "~0.1.2",
         "json-stringify-safe": "~5.0.1",
-        "mime-types": "~2.1.17",
-        "oauth-sign": "~0.8.2",
-        "performance-now": "^2.1.0",
-        "qs": "~6.5.1",
-        "safe-buffer": "^5.1.1",
-        "tough-cookie": "~2.3.3",
+        "mime-types": "~2.1.7",
+        "oauth-sign": "~0.8.1",
+        "performance-now": "^0.2.0",
+        "qs": "~6.4.0",
+        "safe-buffer": "^5.0.1",
+        "stringstream": "~0.0.4",
+        "tough-cookie": "~2.3.0",
         "tunnel-agent": "^0.6.0",
-        "uuid": "^3.1.0"
+        "uuid": "^3.0.0"
       }
     },
     "require-directory": {
@@ -4357,6 +4398,15 @@
         }
       }
     },
+    "sntp": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/sntp/-/sntp-1.0.9.tgz",
+      "integrity": "sha1-ZUEYTMkK7qbG57NeJlkIJEPGYZg=",
+      "dev": true,
+      "requires": {
+        "hoek": "2.x.x"
+      }
+    },
     "sort-keys": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/sort-keys/-/sort-keys-2.0.0.tgz",
@@ -4470,6 +4520,14 @@
         "jsbn": "~0.1.0",
         "safer-buffer": "^2.0.2",
         "tweetnacl": "~0.14.0"
+      },
+      "dependencies": {
+        "assert-plus": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+          "dev": true
+        }
       }
     },
     "static-extend": {
@@ -4526,6 +4584,12 @@
         "safe-buffer": "~5.1.0"
       }
     },
+    "stringstream": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.6.tgz",
+      "integrity": "sha512-87GEBAkegbBcweToUrdzf3eLhWNg06FJTebl4BVJz/JgWy8CvEr9dRtX5qWphiynMSQlxxi+QqN0z5T32SLlhA==",
+      "dev": true
+    },
     "strip-ansi": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
@@ -5016,6 +5080,14 @@
         "assert-plus": "^1.0.0",
         "core-util-is": "1.0.2",
         "extsprintf": "^1.2.0"
+      },
+      "dependencies": {
+        "assert-plus": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+          "dev": true
+        }
       }
     },
     "wcwidth": {
diff --git a/packages/analyzer/package-lock.json b/packages/analyzer/package-lock.json
index 883811d3e..dab5b319e 100644
--- a/packages/analyzer/package-lock.json
+++ b/packages/analyzer/package-lock.json
@@ -1883,9 +1883,9 @@
 			"dev": true
 		},
 		"util": {
-			"version": "0.10.4",
-			"resolved": "https://registry.npmjs.org/util/-/util-0.10.4.tgz",
-			"integrity": "sha512-0Pm9hTQ3se5ll1XihRic3FDIku70C+iHUdT/W926rSgHV5QgXsYbKZN8MSC3tJtSkhuROzvsQjAaFENRXr+19A==",
+			"version": "0.11.0",
+			"resolved": "https://registry.npmjs.org/util/-/util-0.11.0.tgz",
+			"integrity": "sha512-5n12uMzKCjvB2HPFHnbQSjaqAa98L5iIXmHrZCLavuZVe0qe/SJGbDGWlpaHk5lnBkWRDO+dRu1/PgmUYKPPTw==",
 			"dev": true,
 			"requires": {
 				"inherits": "2.0.3"
@@ -1943,9 +1943,9 @@
 			"integrity": "sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg=="
 		},
 		"whatwg-url": {
-			"version": "6.4.1",
-			"resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.4.1.tgz",
-			"integrity": "sha512-FwygsxsXx27x6XXuExA/ox3Ktwcbf+OAvrKmLulotDAiO1Q6ixchPFaHYsis2zZBZSJTR0+dR+JVtf7MlbqZjw==",
+			"version": "6.5.0",
+			"resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.5.0.tgz",
+			"integrity": "sha512-rhRZRqx/TLJQWUpQ6bmrt2UV4f0HCQ463yQuONJqC6fO2VoEb1pTYddbe59SkYq87aoM5A3bdhMZiUiVws+fzQ==",
 			"requires": {
 				"lodash.sortby": "^4.7.0",
 				"tr46": "^1.0.1",
diff --git a/packages/build/package-lock.json b/packages/build/package-lock.json
index 12d444bfa..b3a7c202e 100644
--- a/packages/build/package-lock.json
+++ b/packages/build/package-lock.json
@@ -4302,9 +4302,9 @@
 			}
 		},
 		"util": {
-			"version": "0.10.4",
-			"resolved": "https://registry.npmjs.org/util/-/util-0.10.4.tgz",
-			"integrity": "sha512-0Pm9hTQ3se5ll1XihRic3FDIku70C+iHUdT/W926rSgHV5QgXsYbKZN8MSC3tJtSkhuROzvsQjAaFENRXr+19A==",
+			"version": "0.11.0",
+			"resolved": "https://registry.npmjs.org/util/-/util-0.11.0.tgz",
+			"integrity": "sha512-5n12uMzKCjvB2HPFHnbQSjaqAa98L5iIXmHrZCLavuZVe0qe/SJGbDGWlpaHk5lnBkWRDO+dRu1/PgmUYKPPTw==",
 			"dev": true,
 			"requires": {
 				"inherits": "2.0.3"
diff --git a/packages/cli/CHANGELOG.md b/packages/cli/CHANGELOG.md
index 60a0495bf..c88999b40 100644
--- a/packages/cli/CHANGELOG.md
+++ b/packages/cli/CHANGELOG.md
@@ -4,6 +4,9 @@
 <!-- ## Unreleased -->
 <!-- Add new, unreleased items here. -->
 
+## v1.7.3 [06-11-2018]
+* Regenerate shrinkwrap to pick up latest dependencies.
+
 ## v1.7.2 [05-11-2018]
 * Fix bug in `polymer-3-element` init template where `polymer/dom-module.js`
   could be loaded twice when serving from the polyserve `/components/`
diff --git a/packages/cli/package-lock.json b/packages/cli/package-lock.json
index 0512983c1..c39d7bd8c 100644
--- a/packages/cli/package-lock.json
+++ b/packages/cli/package-lock.json
@@ -1,6 +1,6 @@
 {
 	"name": "polymer-cli",
-	"version": "1.7.2",
+	"version": "1.7.3",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
@@ -6497,9 +6497,9 @@
 			}
 		},
 		"util": {
-			"version": "0.10.4",
-			"resolved": "https://registry.npmjs.org/util/-/util-0.10.4.tgz",
-			"integrity": "sha512-0Pm9hTQ3se5ll1XihRic3FDIku70C+iHUdT/W926rSgHV5QgXsYbKZN8MSC3tJtSkhuROzvsQjAaFENRXr+19A==",
+			"version": "0.11.0",
+			"resolved": "https://registry.npmjs.org/util/-/util-0.11.0.tgz",
+			"integrity": "sha512-5n12uMzKCjvB2HPFHnbQSjaqAa98L5iIXmHrZCLavuZVe0qe/SJGbDGWlpaHk5lnBkWRDO+dRu1/PgmUYKPPTw==",
 			"dev": true,
 			"requires": {
 				"inherits": "2.0.3"
@@ -7526,9 +7526,9 @@
 					}
 				},
 				"sinon": {
-					"version": "5.1.0",
-					"resolved": "https://registry.npmjs.org/sinon/-/sinon-5.1.0.tgz",
-					"integrity": "sha512-mKJCMMwRKAPEbM48tgT7rea9+Dos5xugEpVXGwMDCSRtPxF6ZjIBO+WrbixxJ0xcYJ6ZMS3/veTAI7XTW010yA==",
+					"version": "5.1.1",
+					"resolved": "https://registry.npmjs.org/sinon/-/sinon-5.1.1.tgz",
+					"integrity": "sha512-h/3uHscbt5pQNxkf7Y/Lb9/OM44YNCicHakcq73ncbrIS8lXg+ZGOZbtuU+/km4YnyiCYfQQEwANaReJz7KDfw==",
 					"dev": true,
 					"requires": {
 						"@sinonjs/formatio": "^2.0.0",
diff --git a/packages/cli/package.json b/packages/cli/package.json
index e4612b220..7a08b6d99 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "polymer-cli",
-  "version": "1.7.2",
+  "version": "1.7.3",
   "description": "A commandline tool for Polymer projects",
   "homepage": "https://github.com/Polymer/tools/tree/master/packages/cli",
   "repository": "github:Polymer/tools",
diff --git a/packages/editor-service/package-lock.json b/packages/editor-service/package-lock.json
index ce89261c6..2021cd004 100644
--- a/packages/editor-service/package-lock.json
+++ b/packages/editor-service/package-lock.json
@@ -472,9 +472,9 @@
 			}
 		},
 		"vscode-languageserver-types": {
-			"version": "3.8.1",
-			"resolved": "https://registry.npmjs.org/vscode-languageserver-types/-/vscode-languageserver-types-3.8.1.tgz",
-			"integrity": "sha512-O8IBrxSBp2AJALIZBwT2Gd6gX67MMtwCwnfzT9T3QynE+dqikoj7x3kOb3fdIjd9hIoAB2yc38XcJJDw8H1cpw=="
+			"version": "3.8.2",
+			"resolved": "https://registry.npmjs.org/vscode-languageserver-types/-/vscode-languageserver-types-3.8.2.tgz",
+			"integrity": "sha512-2RMkyt1O1czGPCnkjKZWSio2D8oh3XlQ4zi4W2xL8q2Dvi4hB3/DEt+wYyzo4hmE2ZFP0RB8PXyzHyed7p1hbw=="
 		},
 		"vscode-uri": {
 			"version": "1.0.5",
diff --git a/packages/esm-amd-loader/package-lock.json b/packages/esm-amd-loader/package-lock.json
index 86866a053..17b5f543f 100644
--- a/packages/esm-amd-loader/package-lock.json
+++ b/packages/esm-amd-loader/package-lock.json
@@ -1,6 +1,6 @@
 {
 	"name": "@polymer/esm-amd-loader",
-	"version": "1.0.0",
+	"version": "1.0.1",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
diff --git a/packages/polyserve/package-lock.json b/packages/polyserve/package-lock.json
index 04b53b891..adc7cf84d 100644
--- a/packages/polyserve/package-lock.json
+++ b/packages/polyserve/package-lock.json
@@ -1820,9 +1820,9 @@
 			}
 		},
 		"util": {
-			"version": "0.10.4",
-			"resolved": "https://registry.npmjs.org/util/-/util-0.10.4.tgz",
-			"integrity": "sha512-0Pm9hTQ3se5ll1XihRic3FDIku70C+iHUdT/W926rSgHV5QgXsYbKZN8MSC3tJtSkhuROzvsQjAaFENRXr+19A==",
+			"version": "0.11.0",
+			"resolved": "https://registry.npmjs.org/util/-/util-0.11.0.tgz",
+			"integrity": "sha512-5n12uMzKCjvB2HPFHnbQSjaqAa98L5iIXmHrZCLavuZVe0qe/SJGbDGWlpaHk5lnBkWRDO+dRu1/PgmUYKPPTw==",
 			"dev": true,
 			"requires": {
 				"inherits": "2.0.3"
diff --git a/packages/wct-browser-legacy/package-lock.json b/packages/wct-browser-legacy/package-lock.json
index 7e41fd413..3c4f66c60 100644
--- a/packages/wct-browser-legacy/package-lock.json
+++ b/packages/wct-browser-legacy/package-lock.json
@@ -403,9 +403,9 @@
 			"integrity": "sha1-diIXzAbbJY7EiQihKY6LlRIejqI="
 		},
 		"util": {
-			"version": "0.10.4",
-			"resolved": "https://registry.npmjs.org/util/-/util-0.10.4.tgz",
-			"integrity": "sha512-0Pm9hTQ3se5ll1XihRic3FDIku70C+iHUdT/W926rSgHV5QgXsYbKZN8MSC3tJtSkhuROzvsQjAaFENRXr+19A==",
+			"version": "0.11.0",
+			"resolved": "https://registry.npmjs.org/util/-/util-0.11.0.tgz",
+			"integrity": "sha512-5n12uMzKCjvB2HPFHnbQSjaqAa98L5iIXmHrZCLavuZVe0qe/SJGbDGWlpaHk5lnBkWRDO+dRu1/PgmUYKPPTw==",
 			"requires": {
 				"inherits": "2.0.3"
 			}
diff --git a/packages/wct-local/package-lock.json b/packages/wct-local/package-lock.json
index 3437204c9..4d5d04210 100644
--- a/packages/wct-local/package-lock.json
+++ b/packages/wct-local/package-lock.json
@@ -86,12 +86,11 @@
 			"integrity": "sha512-ZrJDWpvg75LTGX4XwuneY9s6bF3OeZcGTpoGh3zDV9ytzcHMFsRrMIaLBRJZQMBoGyKs6unBQfVdrLZiYfb1zQ=="
 		},
 		"agent-base": {
-			"version": "2.1.1",
-			"resolved": "https://registry.npmjs.org/agent-base/-/agent-base-2.1.1.tgz",
-			"integrity": "sha1-1t4Q1a9hMtW9aSQn1G/FOFOQlMc=",
+			"version": "4.2.0",
+			"resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.2.0.tgz",
+			"integrity": "sha512-c+R/U5X+2zz2+UCrCFv6odQzJdoqI+YecuhnAJLa1zYaMc13zPfwMwZrr91Pd1DYNo/yPRbiM4WVf9whgwFsIg==",
 			"requires": {
-				"extend": "~3.0.0",
-				"semver": "~5.0.1"
+				"es6-promisify": "^5.0.0"
 			}
 		},
 		"ajv": {
@@ -175,11 +174,11 @@
 			}
 		},
 		"browserstack": {
-			"version": "1.5.0",
-			"resolved": "https://registry.npmjs.org/browserstack/-/browserstack-1.5.0.tgz",
-			"integrity": "sha1-tWVCWtYu1ywQgqHrl51TE8fUdU8=",
+			"version": "1.5.1",
+			"resolved": "https://registry.npmjs.org/browserstack/-/browserstack-1.5.1.tgz",
+			"integrity": "sha512-O8VMT64P9NOLhuIoD4YngyxBURefaSdR4QdhG8l6HZ9VxtU7jc3m6jLufFwKA5gaf7fetfB2TnRJnMxyob+heg==",
 			"requires": {
-				"https-proxy-agent": "1.0.0"
+				"https-proxy-agent": "^2.2.1"
 			}
 		},
 		"buffer-alloc": {
@@ -267,13 +266,6 @@
 				"semver": "^5.5.0",
 				"shebang-command": "^1.2.0",
 				"which": "^1.2.9"
-			},
-			"dependencies": {
-				"semver": {
-					"version": "5.5.0",
-					"resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
-					"integrity": "sha512-4SJ3dm0WAwWy/NVeioZh5AntkdJoWKxHxcmyP622fOkgHa4z3R0TdBJICINyaSDE6uNwVc8gZr+ZinwZAH4xIA=="
-				}
 			}
 		},
 		"dashdash": {
@@ -314,6 +306,19 @@
 				"once": "^1.4.0"
 			}
 		},
+		"es6-promise": {
+			"version": "4.2.4",
+			"resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.2.4.tgz",
+			"integrity": "sha512-/NdNZVJg+uZgtm9eS3O6lrOLYmQag2DjdEXuPaHlZ6RuVqgqaVZfgYCepEIKsLqwdQArOPtC3XzRLqGGfT8KQQ=="
+		},
+		"es6-promisify": {
+			"version": "5.0.0",
+			"resolved": "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz",
+			"integrity": "sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=",
+			"requires": {
+				"es6-promise": "^4.0.3"
+			}
+		},
 		"escape-string-regexp": {
 			"version": "1.0.5",
 			"resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
@@ -410,13 +415,22 @@
 			}
 		},
 		"https-proxy-agent": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-1.0.0.tgz",
-			"integrity": "sha1-NffabEjOTdv6JkiRrFk+5f+GceY=",
+			"version": "2.2.1",
+			"resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.2.1.tgz",
+			"integrity": "sha512-HPCTS1LW51bcyMYbxUIOO4HEOlQ1/1qRaFWcyxvwaqUS9TY88aoEuHUY33kuAh1YhVVaDQhLZsnPd+XNARWZlQ==",
 			"requires": {
-				"agent-base": "2",
-				"debug": "2",
-				"extend": "3"
+				"agent-base": "^4.1.0",
+				"debug": "^3.1.0"
+			},
+			"dependencies": {
+				"debug": {
+					"version": "3.1.0",
+					"resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+					"integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+					"requires": {
+						"ms": "2.0.0"
+					}
+				}
 			}
 		},
 		"inherits": {
@@ -704,9 +718,9 @@
 			}
 		},
 		"semver": {
-			"version": "5.0.3",
-			"resolved": "https://registry.npmjs.org/semver/-/semver-5.0.3.tgz",
-			"integrity": "sha1-d0Zt5YnNXTyV8TiqeLxWmjy10no="
+			"version": "5.5.0",
+			"resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
+			"integrity": "sha512-4SJ3dm0WAwWy/NVeioZh5AntkdJoWKxHxcmyP622fOkgHa4z3R0TdBJICINyaSDE6uNwVc8gZr+ZinwZAH4xIA=="
 		},
 		"shebang-command": {
 			"version": "1.2.0",