diff --git a/package.json b/package.json
index f0909b0..df78159 100644
--- a/package.json
+++ b/package.json
@@ -177,7 +177,7 @@
 		"@types/node": "^11.9.4",
 		"fs-nextra": "^0.4.3",
 		"gulp": "^3.9.1",
-		"gulp-sourcemaps": "^2.6.4",
+		"gulp-sourcemaps": "^2.6.5",
 		"gulp-typescript": "^5.0.0",
 		"merge2": "^1.2.3",
 		"tslint": "^5.12.1",
diff --git a/yarn.lock b/yarn.lock
index ae01a6c..0a8c530 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1228,10 +1228,10 @@ gulp-remote-src-vscode@^0.5.1:
     through2 "^2.0.3"
     vinyl "^2.0.1"
 
-gulp-sourcemaps@^2.6.4:
-  version "2.6.4"
-  resolved "https://registry.yarnpkg.com/gulp-sourcemaps/-/gulp-sourcemaps-2.6.4.tgz#cbb2008450b1bcce6cd23bf98337be751bf6e30a"
-  integrity sha1-y7IAhFCxvM5s0jv5gze+dRv24wo=
+gulp-sourcemaps@^2.6.5:
+  version "2.6.5"
+  resolved "https://registry.yarnpkg.com/gulp-sourcemaps/-/gulp-sourcemaps-2.6.5.tgz#a3f002d87346d2c0f3aec36af7eb873f23de8ae6"
+  integrity sha512-SYLBRzPTew8T5Suh2U8jCSDKY+4NARua4aqjj8HOysBh2tSgT9u4jc1FYirAdPx1akUxxDeK++fqw6Jg0LkQRg==
   dependencies:
     "@gulp-sourcemaps/identity-map" "1.X"
     "@gulp-sourcemaps/map-sources" "1.X"