diff --git a/package.json b/package.json
index b4d1c10..ae925ae 100644
--- a/package.json
+++ b/package.json
@@ -19,12 +19,12 @@
   },
   "peerDependencies": {
     "graphql": "^0.12.0",
-    "graphql-tools": "^2.4.0"
+    "graphql-tools": "^2.4.0 || ^4.0.0"
   },
   "dependencies": {
     "apollo-link": "^1.0.7",
     "graphql": "^0.12.3",
-    "graphql-tools": "^2.14.0"
+    "graphql-tools": "^4.0.0"
   },
   "devDependencies": {
     "@types/graphql": "0.11.7",