diff --git a/package.json b/package.json
index 018512d..5ed7cf4 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "node": ">=0.4"
   },
   "dependencies": {
-    "gm": ">=0.4.0",
+    "gm": ">=0.4.0 <1.0.0",
     "temp": ">=0.4.x"
   }
 }