diff --git a/GraphQL.sublime-syntax b/GraphQL.sublime-syntax
index d467fed..d5a869c 100644
--- a/GraphQL.sublime-syntax
+++ b/GraphQL.sublime-syntax
@@ -4,6 +4,7 @@
 name: GraphQL
 file_extensions:
   - graphql
+  - graphqls
   - gql
 scope: source.graphql
 variables: