diff --git a/package.json b/package.json
index b4dad6b8..43a55677 100644
--- a/package.json
+++ b/package.json
@@ -87,7 +87,7 @@
     "karma-mocha": "1.3.0",
     "karma-mocha-reporter": "2.2.5",
     "karma-sinon-chai": "2.0.2",
-    "karma-sourcemap-loader": "0.3.7",
+    "karma-sourcemap-loader": "0.3.8",
     "karma-spec-reporter": "0.0.26",
     "karma-webpack": "4.0.0-rc.6",
     "lodash": "4.17.11",
diff --git a/yarn.lock b/yarn.lock
index 714dd6d4..3aaf5090 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5299,10 +5299,10 @@ karma-sinon-chai@2.0.2:
   resolved "https://registry.yarnpkg.com/karma-sinon-chai/-/karma-sinon-chai-2.0.2.tgz#e28c109b989973abafc28a7c9f09ef24a05e07c2"
   integrity sha512-SDgh6V0CUd+7ruL1d3yG6lFzmJNGRNQuEuCYXLaorruNP9nwQfA7hpsp4clx4CbOo5Gsajh3qUOT7CrVStUKMw==
 
-karma-sourcemap-loader@0.3.7:
-  version "0.3.7"
-  resolved "https://registry.yarnpkg.com/karma-sourcemap-loader/-/karma-sourcemap-loader-0.3.7.tgz#91322c77f8f13d46fed062b042e1009d4c4505d8"
-  integrity sha1-kTIsd/jxPUb+0GKwQuEAnUxFBdg=
+karma-sourcemap-loader@0.3.8:
+  version "0.3.8"
+  resolved "https://registry.yarnpkg.com/karma-sourcemap-loader/-/karma-sourcemap-loader-0.3.8.tgz#d4bae72fb7a8397328a62b75013d2df937bdcf9c"
+  integrity sha512-zorxyAakYZuBcHRJE+vbrK2o2JXLFWK8VVjiT/6P+ltLBUGUvqTEkUiQ119MGdOrK7mrmxXHZF1/pfT6GgIZ6g==
   dependencies:
     graceful-fs "^4.1.2"