diff --git a/package.json b/package.json
index 033c32b9c..2afbbfab3 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "space-pen": "3.1.0",
     "temp": "0.5.0",
     "text-buffer": "0.13.0",
-    "theorist": "~0.14.0",
+    "theorist": "1.x",
     "underscore-plus": "1.x",
     "vm-compatibility-layer": "0.1.0"
   },