diff --git a/package.json b/package.json
index 608f4de..1dea43b 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "typescript": "^2.2.2"
   },
   "dependencies": {
-    "@mitm/assetbundlecompiler": "^1.3.0",
+    "@mitm/assetbundlecompiler": "^1.4.0",
     "@toverux/expresse": "^2.1.0",
     "azure-storage": "^2.1.0",
     "body-parser": "^1.17.1",
diff --git a/yarn.lock b/yarn.lock
index f533239..701a2e0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,9 +2,9 @@
 # yarn lockfile v1
 
 
-"@mitm/assetbundlecompiler@^1.3.0":
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/@mitm/assetbundlecompiler/-/assetbundlecompiler-1.3.0.tgz#f6d079a8d0d6f88938e49b00f915b25aa2bb03c7"
+"@mitm/assetbundlecompiler@^1.4.0":
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/@mitm/assetbundlecompiler/-/assetbundlecompiler-1.4.0.tgz#626c83912118328fbbdf92dc42e9c41e05a8e40c"
   dependencies:
     "@mitm/unityinvoker" "^1.0.0"
     fs-extra "^3.0.1"