diff --git a/package.json b/package.json
index 7c543e52..5f3526c5 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "karma": "^5.2.3",
     "karma-chrome-launcher": "^3.1.0",
     "karma-coverage": "^2.0.3",
-    "karma-firefox-launcher": "^1.3.0",
+    "karma-firefox-launcher": "^2.1.2",
     "karma-mocha": "^2.0.1",
     "karma-mocha-reporter": "^2.2.5",
     "karma-sinon-chai": "^2.0.2",
diff --git a/yarn.lock b/yarn.lock
index 3310c3c7..69b1c68e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4267,6 +4267,11 @@ is-descriptor@^1.0.0, is-descriptor@^1.0.2:
     is-data-descriptor "^1.0.0"
     kind-of "^6.0.2"
 
+is-docker@^2.0.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/is-docker/-/is-docker-2.2.1.tgz#33eeabe23cfe86f14bde4408a02c0cfb853acdaa"
+  integrity sha512-F+i2BKsFrH66iaUFc0woD8sLy8getkwTwtOBjvs56Cx4CgJDeKQeqfz8wAYiSb8JOprWhHH5p77PbmYCvvUuXQ==
+
 is-extendable@^0.1.0, is-extendable@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-0.1.1.tgz#62b110e289a471418e3ec36a617d472e301dfc89"
@@ -4398,10 +4403,12 @@ is-wsl@^1.1.0:
   resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-1.1.0.tgz#1f16e4aa22b04d1336b66188a66af3c600c3a66d"
   integrity sha1-HxbkqiKwTRM2tmGIpmrzxgDDpm0=
 
-is-wsl@^2.1.0:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-2.1.1.tgz#4a1c152d429df3d441669498e2486d3596ebaf1d"
-  integrity sha512-umZHcSrwlDHo2TGMXv0DZ8dIUGunZ2Iv68YZnrmCiBPkZ4aaOhtv7pXJKeki9k3qJ3RJr0cDyitcl5wEH3AYog==
+is-wsl@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-2.2.0.tgz#74a4c76e77ca9fd3f932f290c17ea326cd157271"
+  integrity sha512-fKzAra0rGJUUBwGBgNkHZuToZcn+TtXHpeCgmkMJMMYx1sQDYaCSyjJBSCa2nH1DGm7s3n1oBnohoVTBaN7Lww==
+  dependencies:
+    is-docker "^2.0.0"
 
 isarray@0.0.1:
   version "0.0.1"
@@ -4628,12 +4635,13 @@ karma-coverage@^2.0.3:
     istanbul-reports "^3.0.0"
     minimatch "^3.0.4"
 
-karma-firefox-launcher@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/karma-firefox-launcher/-/karma-firefox-launcher-1.3.0.tgz#ebcbb1d1ddfada6be900eb8fae25bcf2dcdc8171"
-  integrity sha512-Fi7xPhwrRgr+94BnHX0F5dCl1miIW4RHnzjIGxF8GaIEp7rNqX7LSi7ok63VXs3PS/5MQaQMhGxw+bvD+pibBQ==
+karma-firefox-launcher@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/karma-firefox-launcher/-/karma-firefox-launcher-2.1.2.tgz#9a38cc783c579a50f3ed2a82b7386186385cfc2d"
+  integrity sha512-VV9xDQU1QIboTrjtGVD4NCfzIH7n01ZXqy/qpBhnOeGVOkG5JYPEm8kuSd7psHE6WouZaQ9Ool92g8LFweSNMA==
   dependencies:
-    is-wsl "^2.1.0"
+    is-wsl "^2.2.0"
+    which "^2.0.1"
 
 karma-mocha-reporter@^2.2.5:
   version "2.2.5"