diff --git a/package-lock.json b/package-lock.json
index 1073a0ae5b..13fba08112 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -96,7 +96,7 @@
         "karma-junit-reporter": "1.2.0",
         "karma-requirejs": "0.2.6",
         "karma-selenium-webdriver-launcher": "github:openedx/karma-selenium-webdriver-launcher#0.0.4-openedx.0",
-        "karma-sourcemap-loader": "0.3.7",
+        "karma-sourcemap-loader": "0.4.0",
         "karma-spec-reporter": "0.0.36",
         "karma-webpack": "^5.0.1",
         "plato": "1.7.0",
@@ -15593,12 +15593,13 @@
       }
     },
     "node_modules/karma-sourcemap-loader": {
-      "version": "0.3.7",
-      "resolved": "https://registry.npmjs.org/karma-sourcemap-loader/-/karma-sourcemap-loader-0.3.7.tgz",
-      "integrity": "sha512-zu99gTgKf6KhLg14c+e+SHb297A8MX9TRxjW+USEmk/xq2ULnyvkfZuOZOLHU6522QfJai1SZznP/brNwivtDg==",
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/karma-sourcemap-loader/-/karma-sourcemap-loader-0.4.0.tgz",
+      "integrity": "sha512-xCRL3/pmhAYF3I6qOrcn0uhbQevitc2DERMPH82FMnG+4WReoGcGFZb1pURf2a5apyrOHRdvD+O6K7NljqKHyA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "graceful-fs": "^4.1.2"
+        "graceful-fs": "^4.2.10"
       }
     },
     "node_modules/karma-spec-reporter": {
diff --git a/package.json b/package.json
index 25f128fc7d..ccb46f0729 100644
--- a/package.json
+++ b/package.json
@@ -102,7 +102,7 @@
     "karma-junit-reporter": "1.2.0",
     "karma-requirejs": "0.2.6",
     "karma-selenium-webdriver-launcher": "github:openedx/karma-selenium-webdriver-launcher#0.0.4-openedx.0",
-    "karma-sourcemap-loader": "0.3.7",
+    "karma-sourcemap-loader": "0.4.0",
     "karma-spec-reporter": "0.0.36",
     "karma-webpack": "^5.0.1",
     "plato": "1.7.0",