diff --git a/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix b/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
index 4055bd958357..7a7560f75c9e 100644
--- a/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
@@ -1550,7 +1550,7 @@
   };
 
   markdown = {
-    version = "0.5.2";
+    version = "0.5.3";
     url = "github:tree-sitter-grammars/tree-sitter-markdown";
     hash = "sha256-WUVN7+lzDI+VC5PuJjhHiS4JpVr1x0Ic30i2tVrI6W8=";
     location = "tree-sitter-markdown";