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 9006d08b76a5..1e9d3cb465ae 100644
--- a/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
@@ -1796,9 +1796,9 @@
   };
 
   ocaml = {
-    version = "0.24.2";
+    version = "0.25.0";
     url = "github:tree-sitter/tree-sitter-ocaml";
-    hash = "sha256-e08lrKCyQRpb8pnLV6KK4ye53YBjxQ52nnDIzH+7ONc=";
+    hash = "sha256-fRC7sd/INCESwYCiRsuOJkOnqWnNUpjwrNoEzlaOscA=";
     meta = {
       license = lib.licenses.mit;
     };
@@ -1808,7 +1808,7 @@
     language = "ocaml_interface";
     version = "0.24.2";
     url = "github:tree-sitter/tree-sitter-ocaml";
-    hash = "sha256-e08lrKCyQRpb8pnLV6KK4ye53YBjxQ52nnDIzH+7ONc=";
+    hash = "sha256-fRC7sd/INCESwYCiRsuOJkOnqWnNUpjwrNoEzlaOscA=";
     meta = {
       license = lib.licenses.mit;
     };