diff --git a/package-lock.json b/package-lock.json
index d3d544a..c45527e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1391,9 +1391,9 @@
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     "@open-wc/dedupe-mixin": {
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-      "resolved": "https://registry.npmjs.org/@open-wc/dedupe-mixin/-/dedupe-mixin-1.2.17.tgz",
-      "integrity": "sha512-9A3WohqNxEloJa4y1DuBL5zH12cNRNW1vsrkiaLMnOGuQdhibs2XY1oliudsKpvIeNjDXRVRPUdIIzn65BypCw==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/@open-wc/dedupe-mixin/-/dedupe-mixin-1.3.0.tgz",
+      "integrity": "sha512-UfdK1MPnR6T7f3svzzYBfu3qBkkZ/KsPhcpc3JYhsUY4hbpwNF9wEQtD4Z+/mRqMTJrKg++YSxIxE0FBhY3RIw==",
       "dev": true
     },
     "@open-wc/demoing-storybook": {
@@ -1572,12 +1572,12 @@
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     },
     "@open-wc/scoped-elements": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/@open-wc/scoped-elements/-/scoped-elements-1.1.1.tgz",
-      "integrity": "sha512-Fx9bFOA14xGeNFQpSeyp6GmqW1vJyETr1qlem9pDS3hlK/HpWUtoBRAPyo4yexjY+aeSsenUeAYDXzPWQgeWXw==",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@open-wc/scoped-elements/-/scoped-elements-1.2.0.tgz",
+      "integrity": "sha512-qaYN4FyfpKUKySXTwJ3gPwj9ms52BAA9+c3KbpIBoOmUUD+/j0cxhAjV57JnHjkVYnLreeVZXy0KxU6BiNhJKQ==",
       "dev": true,
       "requires": {
-        "@open-wc/dedupe-mixin": "^1.2.17",
+        "@open-wc/dedupe-mixin": "^1.3.0",
         "lit-html": "^1.0.0"
       }
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@@ -1591,14 +1591,14 @@
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-      "version": "2.5.17",
-      "resolved": "https://registry.npmjs.org/@open-wc/testing/-/testing-2.5.17.tgz",
-      "integrity": "sha512-ozXsOhmf1+mbtKJdbbjPAnfi4HPAkeQYv2zon6rmwv0i0RNZ9S0LkT8wgsn8wpn2+dvckMvks9g/mqXvciaf2g==",
+      "version": "2.5.21",
+      "resolved": "https://registry.npmjs.org/@open-wc/testing/-/testing-2.5.21.tgz",
+      "integrity": "sha512-abSFAd3xjib4KxC46lSN7FLKfb49h+/CPzc2Wb00QEfJzyAby/91T9mGLlJcu1MGWHX6MuBv1w5oUlDEbDMsJg==",
       "dev": true,
       "requires": {
         "@open-wc/chai-dom-equals": "^0.12.36",
         "@open-wc/semantic-dom-diff": "^0.17.9",
-        "@open-wc/testing-helpers": "^1.8.2",
+        "@open-wc/testing-helpers": "^1.8.6",
         "@types/chai": "^4.2.11",
         "@types/chai-dom": "^0.0.9",
         "@types/mocha": "^5.0.0",
@@ -1611,12 +1611,12 @@
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     "@open-wc/testing-helpers": {
-      "version": "1.8.2",
-      "resolved": "https://registry.npmjs.org/@open-wc/testing-helpers/-/testing-helpers-1.8.2.tgz",
-      "integrity": "sha512-zxfZZOS4/30sceo7RHGHUxhxSe2F+NUsKYPK7EIATSJbQ1j9/3HIR+9PqYnZcRI3DT3CdPKQka/60dUJPH1kiQ==",
+      "version": "1.8.6",
+      "resolved": "https://registry.npmjs.org/@open-wc/testing-helpers/-/testing-helpers-1.8.6.tgz",
+      "integrity": "sha512-vwcoMt/ZJxRyEjVBx/wgEp3IFAQVhXH61zuon8gAWvb/A6wiR8mOllvVkMfD5Au86sywxyB0z3z/WV3oYwZ5PQ==",
       "dev": true,
       "requires": {
-        "@open-wc/scoped-elements": "^1.1.1",
+        "@open-wc/scoped-elements": "^1.2.0",
         "lit-element": "^2.2.1",
         "lit-html": "^1.0.0"
       }
@@ -1786,9 +1786,9 @@
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-      "version": "4.2.11",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.11.tgz",
-      "integrity": "sha512-t7uW6eFafjO+qJ3BIV2gGUyZs27egcNRkUdalkud+Qa3+kg//f129iuOFivHDXQ+vnU3fDXuwgv0cqMCbcE8sw==",
+      "version": "4.2.12",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.12.tgz",
+      "integrity": "sha512-aN5IAC8QNtSUdQzxu7lGBgYAOuU1tmRU4c9dIq5OKGf/SBVjXo+ffM2wEjudAWbgpOhy60nLoAGH1xm8fpCKFQ==",
       "dev": true
     },
     "@types/chai-dom": {
diff --git a/package.json b/package.json
index 2e0257f..aa04fb0 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@open-wc/testing-karma": "^3.4.1",
     "webpack-merge": "^4.2.2",
     "@open-wc/testing-karma-bs": "^1.3.77",
-    "@open-wc/testing": "^2.5.17",
+    "@open-wc/testing": "^2.5.21",
     "@open-wc/demoing-storybook": "^2.3.5",
     "@open-wc/building-rollup": "^1.3.1",
     "rimraf": "^3.0.2",