diff --git a/package.json b/package.json
index 7be5cd605..e039f9c3c 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "coffeestack": "0.6.0",
     "delegato": "1.x",
     "emissary": "1.x",
-    "first-mate": "1.x",
+    "first-mate": ">=1.1 <2.0",
     "fs-plus": "1.x",
     "fstream": "0.1.24",
     "fuzzaldrin": "1.x",