diff --git a/package-lock.json b/package-lock.json
index 3308230..a129158 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -333,6 +333,7 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-2.1.1.tgz",
       "integrity": "sha1-1t4Q1a9hMtW9aSQn1G/FOFOQlMc=",
+      "optional": true,
       "requires": {
         "extend": "3.0.1",
         "semver": "5.0.3"
@@ -341,7 +342,8 @@
         "semver": {
           "version": "5.0.3",
           "resolved": "https://registry.npmjs.org/semver/-/semver-5.0.3.tgz",
-          "integrity": "sha1-d0Zt5YnNXTyV8TiqeLxWmjy10no="
+          "integrity": "sha1-d0Zt5YnNXTyV8TiqeLxWmjy10no=",
+          "optional": true
         }
       }
     },
@@ -3172,7 +3174,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.1.1",
@@ -3236,6 +3239,7 @@
         "boom": {
           "version": "2.10.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "hoek": "2.16.3"
           }
@@ -3381,6 +3385,7 @@
         "fstream": {
           "version": "1.0.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "graceful-fs": "4.1.11",
             "inherits": "2.0.3",
@@ -3442,7 +3447,8 @@
         },
         "graceful-fs": {
           "version": "4.1.11",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "har-schema": {
           "version": "1.0.5",
@@ -3604,11 +3610,13 @@
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -3866,6 +3874,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -5427,7 +5436,8 @@
     "libbase64": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/libbase64/-/libbase64-0.1.0.tgz",
-      "integrity": "sha1-YjUag5VjrF/1vSbxL2Dpgwu3UeY="
+      "integrity": "sha1-YjUag5VjrF/1vSbxL2Dpgwu3UeY=",
+      "optional": true
     },
     "libmime": {
       "version": "3.0.0",
@@ -5451,12 +5461,13 @@
     "libqp": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/libqp/-/libqp-1.1.0.tgz",
-      "integrity": "sha1-9ebgatdLeU+1tbZpiL9yjvHe2+g="
+      "integrity": "sha1-9ebgatdLeU+1tbZpiL9yjvHe2+g=",
+      "optional": true
     },
     "lit-html": {
-      "version": "0.9.0",
-      "resolved": "https://registry.npmjs.org/lit-html/-/lit-html-0.9.0.tgz",
-      "integrity": "sha512-j0W8WNcf/VRsC+vxeZwgh4KfztQ2gqLF5a80G85qdffnKQ0yTC2IQpU3FRmFjRdRTezvszb1rGMm7jScMc2Mog=="
+      "version": "0.14.0",
+      "resolved": "https://registry.npmjs.org/lit-html/-/lit-html-0.14.0.tgz",
+      "integrity": "sha512-+xqUPzzJGEDqb0F5DOnMXvL0jxpkKebAMlXycKZxFtzlmD+qePEmYrEUPF9XVXcc5eYBzYXTCOUcjSCod4YvgQ=="
     },
     "load-json-file": {
       "version": "1.1.0",
@@ -5645,7 +5656,8 @@
         "hoek": {
           "version": "2.16.3",
           "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
-          "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
+          "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
+          "optional": true
         },
         "http-signature": {
           "version": "1.1.1",
@@ -6219,6 +6231,7 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/nodemailer-shared/-/nodemailer-shared-1.1.0.tgz",
       "integrity": "sha1-z1mU4v0mjQD1zw+nZ6CBae2wfsA=",
+      "optional": true,
       "requires": {
         "nodemailer-fetch": "1.6.0"
       }
@@ -10695,7 +10708,8 @@
     "prelude-ls": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz",
-      "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ="
+      "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=",
+      "optional": true
     },
     "prepend-http": {
       "version": "2.0.0",
diff --git a/package.json b/package.json
index c288cc4..19e13b6 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "karma-electron": "6.0.0",
     "karma-firefox-launcher": "1.1.0",
     "karma-safari-launcher": "1.0.0",
-    "lit-html": "0.9.0",
+    "lit-html": "0.14.0",
     "zwitterion": "0.26.0"
   },
   "devDependencies": {