diff --git a/package.json b/package.json
index 8a8a22f..2b4ebcc 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
   "dependencies": {
     "bluebird": "^2.9.24",
     "color": "^0.8.0",
-    "gm": "1.17.0"
+    "gm": "1.23.1"
   },
   "devDependencies": {
     "chai": "^2.2.0",