diff --git a/package.json b/package.json
index e1a6654..775b4db 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^3.1.0",
     "karma-edge-launcher": "^0.4.2",
-    "karma-firefox-launcher": "^2.1.0",
+    "karma-firefox-launcher": "^2.1.1",
     "karma-mocha": "^2.0.1",
     "mocha": "^9.1.1"
   }
diff --git a/yarn.lock b/yarn.lock
index 3695469..8a41800 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -636,10 +636,10 @@ karma-edge-launcher@^0.4.2:
   dependencies:
     edge-launcher "1.2.2"
 
-karma-firefox-launcher@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/karma-firefox-launcher/-/karma-firefox-launcher-2.1.0.tgz#d0d328c93dfcf9b46f1ac83b4bb32f43aadb2050"
-  integrity sha512-dkiyqN2R6fCWt78rciOXJLFDWcQ7QEQi++HgebPJlw1y0ycDjGNDHuSrhdh48QG02fzZKK20WHFWVyBZ6CPngg==
+karma-firefox-launcher@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/karma-firefox-launcher/-/karma-firefox-launcher-2.1.1.tgz#6457226f8e4f091b664cef79bb5d39bf1e008765"
+  integrity sha512-VzDMgPseXak9DtfyE1O5bB2BwsMy1zzO1kUxVW1rP0yhC4tDNJ0p3JoFdzvrK4QqVzdqUMa9Rx9YzkdFp8hz3Q==
   dependencies:
     is-wsl "^2.2.0"
     which "^2.0.1"