diff --git a/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix b/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
index a4636c939505..2b626ef3801e 100644
--- a/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
@@ -1205,9 +1205,9 @@
   };
 
   haskell = {
-    version = "0.23.1";
+    version = "0.24.1";
     url = "github:tree-sitter/tree-sitter-haskell";
-    hash = "sha256-bggXKbV4vTWapQAbERPUszxpQtpC1RTujNhwgbjY7T4=";
+    hash = "sha256-R4KAAaBoDUGuQtR2U+0xdB9iLclWBrm+/blqsCX5ZjQ=";
     meta = {
       license = lib.licenses.mit;
     };