diff --git a/package-lock.json b/package-lock.json
index 5fd28692..5cb398cd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@brightspace-ui/intl": "^3",
-        "@open-wc/testing": "^3",
+        "@open-wc/testing": "^4",
         "@rollup/plugin-node-resolve": "^15",
         "@web/config-loader": "^0.3",
         "@web/dev-server": "^0.4",
@@ -699,12 +699,32 @@
       "integrity": "sha512-Sj7gKl1TLcDbF7B6KUhtvr+1UCxdhMbNY5KxdU5IfMFWqL8oy1ZeAcCANjoB1TL0AJTcPmcCFsCbHf8X2jGDUA=="
     },
     "node_modules/@open-wc/scoped-elements": {
-      "version": "2.2.4",
-      "resolved": "https://registry.npmjs.org/@open-wc/scoped-elements/-/scoped-elements-2.2.4.tgz",
-      "integrity": "sha512-12X4F4QGPWcvPbxAiJ4v8wQFCOu+laZHRGfTrkoj+3JzACCtuxHG49YbuqVzQ135QPKCuhP9wA0kpGGEfUegyg==",
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/@open-wc/scoped-elements/-/scoped-elements-3.0.2.tgz",
+      "integrity": "sha512-TZ9NjcAGjrfoZ8GjbMYDTuztFL1YPHtvFgqlcTrYy6C7jHSgCv67Rv9Cgf55VDNZgzRu+yBi5IjcyLzWNZ17eg==",
       "dependencies": {
-        "@lit/reactive-element": "^1.0.0 || ^2.0.0",
-        "@open-wc/dedupe-mixin": "^1.4.0"
+        "@open-wc/dedupe-mixin": "^1.4.0",
+        "lit": "^3.0.0"
+      }
+    },
+    "node_modules/@open-wc/scoped-elements/node_modules/lit": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/lit/-/lit-3.0.2.tgz",
+      "integrity": "sha512-ZoVUPGgXOQocP4OvxehEOBmC4rWB4cRYDPaz7aFmH8DFytsCi/NeACbr4C6vNPGDEC07BrhUos7uVNayDKLQ2Q==",
+      "dependencies": {
+        "@lit/reactive-element": "^2.0.0",
+        "lit-element": "^4.0.0",
+        "lit-html": "^3.0.0"
+      }
+    },
+    "node_modules/@open-wc/scoped-elements/node_modules/lit-element": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/lit-element/-/lit-element-4.0.1.tgz",
+      "integrity": "sha512-OxRMJem4HKZt0320HplLkBPoi4KHiEHoPHKd8Lzf07ZQVAOKIjZ32yPLRKRDEolFU1RgrQBfSHQMoxKZ72V3Kw==",
+      "dependencies": {
+        "@lit-labs/ssr-dom-shim": "^1.1.2",
+        "@lit/reactive-element": "^2.0.0",
+        "lit-html": "^3.0.0"
       }
     },
     "node_modules/@open-wc/semantic-dom-diff": {
@@ -717,24 +737,24 @@
       }
     },
     "node_modules/@open-wc/testing": {
-      "version": "3.2.2",
-      "resolved": "https://registry.npmjs.org/@open-wc/testing/-/testing-3.2.2.tgz",
-      "integrity": "sha512-byN4dJTd6ZyI9mWmI4lVj30uiu+rYvQr93g64Pd7UFBdAUgb02DHLj6fkJ1gjxA6LC/MeFd7K7mOZ4+vKrMptw==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@open-wc/testing/-/testing-4.0.0.tgz",
+      "integrity": "sha512-KI70O0CJEpBWs3jrTju4BFCy7V/d4tFfYWkg8pMzncsDhD7TYNHLw5cy+s1FHXIgVFetnMDhPpwlKIPvtTQW7w==",
       "dependencies": {
         "@esm-bundle/chai": "^4.3.4-fix.0",
         "@open-wc/semantic-dom-diff": "^0.20.0",
-        "@open-wc/testing-helpers": "^2.3.1",
+        "@open-wc/testing-helpers": "^3.0.0",
         "@types/chai-dom": "^1.11.0",
         "@types/sinon-chai": "^3.2.3",
         "chai-a11y-axe": "^1.5.0"
       }
     },
     "node_modules/@open-wc/testing-helpers": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/@open-wc/testing-helpers/-/testing-helpers-2.3.2.tgz",
-      "integrity": "sha512-uZMGC/C1m5EiwQsff6KMmCW25TYMQlJt4ilAWIjnelWGFg9HPUiLnlFvAas3ESUP+4OXLO8Oft7p4mHvbYvAEQ==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@open-wc/testing-helpers/-/testing-helpers-3.0.0.tgz",
+      "integrity": "sha512-zkR39b7ljH/TqZgzBB9ekHKg1OLvR/JQYCEaW76V0RuASfV/vkgx2xfUQNe8DlEOLOetRZ3agFqssEREF45ClA==",
       "dependencies": {
-        "@open-wc/scoped-elements": "^2.2.4",
+        "@open-wc/scoped-elements": "^3.0.2",
         "lit": "^2.0.0 || ^3.0.0",
         "lit-html": "^2.0.0 || ^3.0.0"
       }
diff --git a/package.json b/package.json
index 20304ae3..bb8d2cbb 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
   },
   "dependencies": {
     "@brightspace-ui/intl": "^3",
-    "@open-wc/testing": "^3",
+    "@open-wc/testing": "^4",
     "@rollup/plugin-node-resolve": "^15",
     "@web/config-loader": "^0.3",
     "@web/dev-server": "^0.4",