diff --git a/grammars/tree-sitter-haskell b/grammars/tree-sitter-haskell
index a4d4e60..a50070d 160000
--- a/grammars/tree-sitter-haskell
+++ b/grammars/tree-sitter-haskell
@@ -1 +1 @@
-Subproject commit a4d4e60d46fff56b61e60305c1e5096ff884c789
+Subproject commit a50070d5bb5bd5c1281740a6102ecf1f4b0c4f19