diff --git a/links/gql_websocket_link/pubspec.yaml b/links/gql_websocket_link/pubspec.yaml
index 362bbb30..4ee867dd 100644
--- a/links/gql_websocket_link/pubspec.yaml
+++ b/links/gql_websocket_link/pubspec.yaml
@@ -9,7 +9,7 @@ dependencies:
   gql_exec: ^1.0.0
   gql_link: ^1.0.0
   meta: ^1.3.0
-  rxdart: '>=0.26.0 <0.28.0'
+  rxdart: '>=0.26.0 <=0.28.0'
   uuid: '>=3.0.0 <5.0.0'
   web_socket_channel: ^2.0.0
 dev_dependencies: