diff --git a/src/main/polymer/root/package-lock.json b/src/main/polymer/root/package-lock.json
index bf0fcf7..94fcb77 100644
--- a/src/main/polymer/root/package-lock.json
+++ b/src/main/polymer/root/package-lock.json
@@ -242,11 +242,11 @@
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-      "resolved": "https://registry.npmjs.org/@polymer/lit-element/-/lit-element-0.6.5.tgz",
-      "integrity": "sha512-KVjuU/5Ugp6PFob6YEe1/B4GCKjqhEy9Tj954shL6d3DohT2sNAmbX9QfbXvcZ8RhbVELK6dzbN3i2BRA3mOKg==",
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/@polymer/lit-element/-/lit-element-0.7.1.tgz",
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       "requires": {
-        "lit-html": "^1.0.0-rc.1"
+        "lit-html": "^1.0.0-rc.2"
       }
     },
     "@polymer/neon-animation": {
@@ -559,29 +559,11 @@
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-    "@vaadin/vaadin-control-state-mixin": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/@vaadin/vaadin-control-state-mixin/-/vaadin-control-state-mixin-2.1.2.tgz",
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-      "requires": {
-        "@polymer/polymer": "^3.0.0"
-      }
-    },
     "@vaadin/vaadin-development-mode-detector": {
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       "resolved": "https://registry.npmjs.org/@vaadin/vaadin-development-mode-detector/-/vaadin-development-mode-detector-2.0.0.tgz",
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     },
-    "@vaadin/vaadin-element-mixin": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/@vaadin/vaadin-element-mixin/-/vaadin-element-mixin-2.1.3.tgz",
-      "integrity": "sha512-tCEdrS5JMIl9ZsyjnV28XI2AFLC35RUWRF6XPrvm/MpKAxWLk1MlYrkwR26avOuSqvNwCBO56NIDN2k1yYC4eA==",
-      "requires": {
-        "@polymer/polymer": "^3.0.0",
-        "@vaadin/vaadin-development-mode-detector": "^2.0.0",
-        "@vaadin/vaadin-usage-statistics": "^2.0.2"
-      }
-    },
     "@vaadin/vaadin-grid": {
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       "resolved": "https://registry.npmjs.org/@vaadin/vaadin-grid/-/vaadin-grid-5.9.6.tgz",
@@ -774,14 +756,6 @@
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-    "@vaadin/vaadin-themable-mixin": {
-      "version": "1.4.2",
-      "resolved": "https://registry.npmjs.org/@vaadin/vaadin-themable-mixin/-/vaadin-themable-mixin-1.4.2.tgz",
-      "integrity": "sha512-ih+NtIcmkEJeRoeXE3Lp382J18ZsLkUUy8l38LK+yLQn7GgXcdtVMwNoZhovMuZNBNdV0V/GrRgxoYK7OgcdxA==",
-      "requires": {
-        "@polymer/polymer": "^3.0.0"
-      }
-    },
     "@vaadin/vaadin-upload": {
       "version": "4.4.3",
       "resolved": "https://registry.npmjs.org/@vaadin/vaadin-upload/-/vaadin-upload-4.4.3.tgz",
@@ -837,14 +811,6 @@
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-    "@vaadin/vaadin-usage-statistics": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/@vaadin/vaadin-usage-statistics/-/vaadin-usage-statistics-2.0.2.tgz",
-      "integrity": "sha512-emu6IttPhlfH7chc3tvvZyztULtrMhNi6SK6BPXe7hN9PvF3XZfLLtVHxQMbJid85yYDcynKSyKznlhDkyrc7Q==",
-      "requires": {
-        "@vaadin/vaadin-development-mode-detector": "^2.0.0"
-      }
-    },
     "@webcomponents/shadycss": {
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       "resolved": "https://registry.npmjs.org/@webcomponents/shadycss/-/shadycss-1.11.0.tgz",
@@ -1093,9 +1059,9 @@
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     "lit-html": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/lit-html/-/lit-html-1.0.0.tgz",
-      "integrity": "sha512-oeWlpLmBW3gFl7979Wol2LKITpmKTUFNn7PnFbh6YNynF61W74l6x5WhwItAwPRSATpexaX1egNnRzlN4GOtfQ=="
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/lit-html/-/lit-html-1.4.1.tgz",
+      "integrity": "sha512-B9btcSgPYb1q4oSOb/PrOT6Z/H+r6xuNzfH4lFli/AWhYwdtrgQkQWBbIc6mdnf6E2IL3gDXdkkqNktpU0OZQA=="
     },
     "lodash": {
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diff --git a/src/main/polymer/root/package.json b/src/main/polymer/root/package.json
index 676fe9b..a60e64c 100644
--- a/src/main/polymer/root/package.json
+++ b/src/main/polymer/root/package.json
@@ -6,7 +6,7 @@
     "@polymer/iron-collapse": "^3.0.1",
     "@polymer/iron-icons": "^3.0.1",
     "@polymer/iron-location": "^3.0.1",
-    "@polymer/lit-element": "^0.6.1",
+    "@polymer/lit-element": "^0.7.1",
     "@polymer/paper-button": "^3.0.1",
     "@polymer/paper-card": "^3.0.1",
     "@polymer/paper-checkbox": "^3.1.0",