diff --git a/packages/ra-data-graphcool/package.json b/packages/ra-data-graphcool/package.json
index c6e57ec9d87..73786f19db0 100644
--- a/packages/ra-data-graphcool/package.json
+++ b/packages/ra-data-graphcool/package.json
@@ -32,7 +32,7 @@
         "watch": "rimraf ./lib && cross-env NODE_ENV=production babel --watch ./src -d ./lib --ignore spec.js,test.js"
     },
     "dependencies": {
-        "graphql-ast-types": "^1.0.2",
+        "graphql-ast-types": "Kmaschta/graphql-ast-types#master",
         "graphql-tag": "^2.6.1",
         "lodash": "~4.17.5",
         "pluralize": "~7.0.0",
diff --git a/packages/ra-data-graphql-simple/package.json b/packages/ra-data-graphql-simple/package.json
index 65f80fffd1a..73b88ce0d1c 100644
--- a/packages/ra-data-graphql-simple/package.json
+++ b/packages/ra-data-graphql-simple/package.json
@@ -31,7 +31,7 @@
         "watch": "rimraf ./lib && cross-env NODE_ENV=production babel --watch ./src -d ./lib --ignore spec.js,test.js"
     },
     "dependencies": {
-        "graphql-ast-types": "^1.0.2",
+        "graphql-ast-types": "Kmaschta/graphql-ast-types#master",
         "graphql-tag": "^2.6.1",
         "lodash": "~4.17.5",
         "pluralize": "~7.0.0",
diff --git a/yarn.lock b/yarn.lock
index ef0fcff48e4..90e0a82e18f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5141,9 +5141,9 @@ graphql-anywhere@^4.1.14:
   dependencies:
     apollo-utilities "^1.0.16"
 
-graphql-ast-types@^1.0.2:
+graphql-ast-types@Kmaschta/graphql-ast-types#master:
   version "1.0.2"
-  resolved "https://registry.yarnpkg.com/graphql-ast-types/-/graphql-ast-types-1.0.2.tgz#49f2ae8f52be9ae426263f95320888f0cb772711"
+  resolved "https://codeload.github.com/Kmaschta/graphql-ast-types/tar.gz/412a17d44c4c9e05dc93195263c96e6c96f5db85"
 
 graphql-tag@^2.0.0, graphql-tag@^2.4.2, graphql-tag@^2.6.1:
   version "2.9.2"