diff --git a/package-lock.json b/package-lock.json
index f4d240930..39e837abb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6331,10 +6331,21 @@
       }
     },
     "karma-firefox-launcher": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/karma-firefox-launcher/-/karma-firefox-launcher-1.1.0.tgz",
-      "integrity": "sha512-LbZ5/XlIXLeQ3cqnCbYLn+rOVhuMIK9aZwlP6eOLGzWdo1UVp7t6CN3DP4SafiRLjexKwHeKHDm0c38Mtd3VxA==",
-      "dev": true
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/karma-firefox-launcher/-/karma-firefox-launcher-1.2.0.tgz",
+      "integrity": "sha512-j9Zp8M8+VLq1nI/5xZGfzeaEPtGQ/vk3G+Y8vpmFWLvKLNZ2TDjD6cu2dUu7lDbu1HXNgatsAX4jgCZTkR9qhQ==",
+      "dev": true,
+      "requires": {
+        "is-wsl": "^2.1.0"
+      },
+      "dependencies": {
+        "is-wsl": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/is-wsl/-/is-wsl-2.1.0.tgz",
+          "integrity": "sha512-pFTjpv/x5HRj8kbZ/Msxi9VrvtOMRBqaDi3OIcbwPI3OuH+r3lLxVWukLITBaOGJIbA/w2+M1eVmVa4XNQlAmQ==",
+          "dev": true
+        }
+      }
     },
     "karma-mocha": {
       "version": "1.3.0",
diff --git a/package.json b/package.json
index f116050fc..acb65f6d7 100644
--- a/package.json
+++ b/package.json
@@ -142,7 +142,7 @@
     "jsep": "0.3.4",
     "karma": "4.2.0",
     "karma-browserstack-launcher": "1.5.1",
-    "karma-firefox-launcher": "1.1.0",
+    "karma-firefox-launcher": "1.2.0",
     "karma-mocha": "1.3.0",
     "karma-mocha-reporter": "2.2.5",
     "karma-webpack": "4.0.2",