diff --git a/package.json b/package.json
index 29ee4f0f..8ff6952b 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "test:all": "ember try:each -- ember test -e production"
   },
   "dependencies": {
-    "broccoli-uglify-sourcemap": "^3.1.0",
+    "broccoli-uglify-sourcemap": "^3.1.1",
     "lodash.defaultsdeep": "^4.6.0"
   },
   "engines": {
diff --git a/yarn.lock b/yarn.lock
index 6be2a007..2017744c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1840,9 +1840,10 @@ broccoli-stew@^2.0.1:
     symlink-or-copy "^1.2.0"
     walk-sync "^0.3.3"
 
-broccoli-uglify-sourcemap@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/broccoli-uglify-sourcemap/-/broccoli-uglify-sourcemap-3.1.0.tgz#424abcb2c1c70fd1857165c5f191d59a37ee33ff"
+broccoli-uglify-sourcemap@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/broccoli-uglify-sourcemap/-/broccoli-uglify-sourcemap-3.1.1.tgz#c99342fe1da09ff79653b6184ef8efe0b9bac793"
+  integrity sha512-X0GkGz75DFPVwRj7LCUaa1hFOPd6STveaHRCOSXIyq076AZzLVAc08zxhbbMHQOxCer8aRD1pHfuU72fQBCzcA==
   dependencies:
     async-promise-queue "^1.0.4"
     broccoli-plugin "^1.2.1"