diff --git a/package.json b/package.json
index 643ed86e2..ab43de241 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "karma-chrome-launcher": "^3.1.0",
     "karma-jasmine": "^4.0.0",
     "karma-mocha-reporter": "^2.0.0",
-    "karma-sourcemap-loader": "^0.3.8",
+    "karma-sourcemap-loader": "^0.4.0",
     "karma-webpack": "^5.0.0",
     "lint-staged": "^8.0.0",
     "markdown-toc": "^1.2.0",
diff --git a/yarn.lock b/yarn.lock
index 5b48138c6..d86003845 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2290,7 +2290,7 @@ globby@^6.1.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.2.0, graceful-fs@^4.2.4, graceful-fs@^4.2.6, graceful-fs@^4.2.9:
+graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.2.0, graceful-fs@^4.2.10, graceful-fs@^4.2.4, graceful-fs@^4.2.6, graceful-fs@^4.2.9:
   version "4.2.10"
   resolved "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.10.tgz"
 
@@ -2825,11 +2825,12 @@ karma-mocha-reporter@^2.0.0:
     log-symbols "^2.1.0"
     strip-ansi "^4.0.0"
 
-karma-sourcemap-loader@^0.3.8:
-  version "0.3.8"
-  resolved "https://registry.npmjs.org/karma-sourcemap-loader/-/karma-sourcemap-loader-0.3.8.tgz"
+karma-sourcemap-loader@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/karma-sourcemap-loader/-/karma-sourcemap-loader-0.4.0.tgz#b01d73f8f688f533bcc8f5d273d43458e13b5488"
+  integrity sha512-xCRL3/pmhAYF3I6qOrcn0uhbQevitc2DERMPH82FMnG+4WReoGcGFZb1pURf2a5apyrOHRdvD+O6K7NljqKHyA==
   dependencies:
-    graceful-fs "^4.1.2"
+    graceful-fs "^4.2.10"
 
 karma-webpack@^5.0.0:
   version "5.0.0"