diff --git a/package.json b/package.json
index cd40cfe..a538e33 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "eslint": "^8.3.0",
     "eslint-plugin-rxjs": "^4.0.1",
     "jasmine-core": "~3.10.0",
-    "karma": "~6.3.2",
+    "karma": "~6.3.16",
     "karma-chrome-launcher": "~3.1.0",
     "karma-coverage": "~2.1.0",
     "karma-firefox-launcher": "^1.1.0",
diff --git a/yarn.lock b/yarn.lock
index b38d6f7..96394a6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4632,10 +4632,10 @@ karma-source-map-support@1.4.0:
   dependencies:
     source-map-support "^0.5.5"
 
-karma@~6.3.2:
-  version "6.3.11"
-  resolved "https://registry.yarnpkg.com/karma/-/karma-6.3.11.tgz#2c2fb09f1a9f52e1a0739adeedace2a68d4c0d34"
-  integrity sha512-QGUh4yXgizzDNPLB5nWTvP+wysKexngbyLVWFOyikB661hpa2RZLf5anZQzqliWtAQuYVep0ot0D1U7UQKpsxQ==
+karma@~6.3.16:
+  version "6.3.16"
+  resolved "https://registry.yarnpkg.com/karma/-/karma-6.3.16.tgz#76d1a705fd1cf864ee5ed85270b572641e0958ef"
+  integrity sha512-nEU50jLvDe5yvXqkEJRf8IuvddUkOY2x5Xc4WXHz6dxINgGDrgD2uqQWeVrJs4hbfNaotn+HQ1LZJ4yOXrL7xQ==
   dependencies:
     body-parser "^1.19.0"
     braces "^3.0.2"
@@ -4649,9 +4649,10 @@ karma@~6.3.2:
     http-proxy "^1.18.1"
     isbinaryfile "^4.0.8"
     lodash "^4.17.21"
-    log4js "^6.3.0"
+    log4js "^6.4.1"
     mime "^2.5.2"
     minimatch "^3.0.4"
+    mkdirp "^0.5.5"
     qjobs "^1.2.0"
     range-parser "^1.2.1"
     rimraf "^3.0.2"
@@ -4778,10 +4779,10 @@ log-symbols@^4.1.0:
     chalk "^4.1.0"
     is-unicode-supported "^0.1.0"
 
-log4js@^6.3.0:
-  version "6.4.0"
-  resolved "https://registry.yarnpkg.com/log4js/-/log4js-6.4.0.tgz#3f63ccfc8033c83cd617a4d2d50e48be5944eae9"
-  integrity sha512-ysc/XUecZJuN8NoKOssk3V0cQ29xY4fra6fnigZa5VwxFsCsvdqsdnEuAxNN89LlHpbE4KUD3zGcn+kFqonSVQ==
+log4js@^6.4.1:
+  version "6.4.1"
+  resolved "https://registry.yarnpkg.com/log4js/-/log4js-6.4.1.tgz#9d3a8bf2c31c1e213fe3fc398a6053f7a2bc53e8"
+  integrity sha512-iUiYnXqAmNKiIZ1XSAitQ4TmNs8CdZYTAWINARF3LjnsLN8tY5m0vRwd6uuWj/yNY0YHxeZodnbmxKFUOM2rMg==
   dependencies:
     date-format "^4.0.3"
     debug "^4.3.3"