diff --git a/package-lock.json b/package-lock.json
index 78fa98b..956045c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -40,7 +40,7 @@
         "karma-chrome-launcher": "^3.2.0",
         "karma-coverage": "^2.2.1",
         "karma-coveralls": "^2.1.0",
-        "karma-firefox-launcher": "^2.1.2",
+        "karma-firefox-launcher": "^2.1.3",
         "karma-mocha": "^2.0.1",
         "karma-rollup-preprocessor": "^7.0.8",
         "karma-sourcemap-loader": "^0.4.0",
@@ -5898,13 +5898,28 @@
       }
     },
     "node_modules/karma-firefox-launcher": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/karma-firefox-launcher/-/karma-firefox-launcher-2.1.2.tgz",
-      "integrity": "sha512-VV9xDQU1QIboTrjtGVD4NCfzIH7n01ZXqy/qpBhnOeGVOkG5JYPEm8kuSd7psHE6WouZaQ9Ool92g8LFweSNMA==",
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/karma-firefox-launcher/-/karma-firefox-launcher-2.1.3.tgz",
+      "integrity": "sha512-LMM2bseebLbYjODBOVt7TCPP9OI2vZIXCavIXhkO9m+10Uj5l7u/SKoeRmYx8FYHTVGZSpk6peX+3BMHC1WwNw==",
       "dev": true,
       "dependencies": {
         "is-wsl": "^2.2.0",
-        "which": "^2.0.1"
+        "which": "^3.0.0"
+      }
+    },
+    "node_modules/karma-firefox-launcher/node_modules/which": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/which/-/which-3.0.1.tgz",
+      "integrity": "sha512-XA1b62dzQzLfaEOSQFTCOd5KFf/1VSzZo7/7TUjnya6u0vGGKzU96UQBZTAThCb2j4/xjBAyii1OhRLJEivHvg==",
+      "dev": true,
+      "dependencies": {
+        "isexe": "^2.0.0"
+      },
+      "bin": {
+        "node-which": "bin/which.js"
+      },
+      "engines": {
+        "node": "^14.17.0 || ^16.13.0 || >=18.0.0"
       }
     },
     "node_modules/karma-mocha": {
@@ -13606,13 +13621,24 @@
       }
     },
     "karma-firefox-launcher": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/karma-firefox-launcher/-/karma-firefox-launcher-2.1.2.tgz",
-      "integrity": "sha512-VV9xDQU1QIboTrjtGVD4NCfzIH7n01ZXqy/qpBhnOeGVOkG5JYPEm8kuSd7psHE6WouZaQ9Ool92g8LFweSNMA==",
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/karma-firefox-launcher/-/karma-firefox-launcher-2.1.3.tgz",
+      "integrity": "sha512-LMM2bseebLbYjODBOVt7TCPP9OI2vZIXCavIXhkO9m+10Uj5l7u/SKoeRmYx8FYHTVGZSpk6peX+3BMHC1WwNw==",
       "dev": true,
       "requires": {
         "is-wsl": "^2.2.0",
-        "which": "^2.0.1"
+        "which": "^3.0.0"
+      },
+      "dependencies": {
+        "which": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/which/-/which-3.0.1.tgz",
+          "integrity": "sha512-XA1b62dzQzLfaEOSQFTCOd5KFf/1VSzZo7/7TUjnya6u0vGGKzU96UQBZTAThCb2j4/xjBAyii1OhRLJEivHvg==",
+          "dev": true,
+          "requires": {
+            "isexe": "^2.0.0"
+          }
+        }
       }
     },
     "karma-mocha": {
diff --git a/package.json b/package.json
index 374c330..fdfca94 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "karma-chrome-launcher": "^3.2.0",
     "karma-coverage": "^2.2.1",
     "karma-coveralls": "^2.1.0",
-    "karma-firefox-launcher": "^2.1.2",
+    "karma-firefox-launcher": "^2.1.3",
     "karma-mocha": "^2.0.1",
     "karma-rollup-preprocessor": "^7.0.8",
     "karma-sourcemap-loader": "^0.4.0",