diff --git a/pkgs/development/python-modules/tree-sitter/default.nix b/pkgs/development/python-modules/tree-sitter/default.nix
index 1ca0885a73ac..19f839ffcb61 100644
--- a/pkgs/development/python-modules/tree-sitter/default.nix
+++ b/pkgs/development/python-modules/tree-sitter/default.nix
@@ -15,7 +15,7 @@
 
 buildPythonPackage rec {
   pname = "tree-sitter";
-  version = "0.24.0";
+  version = "0.24.0-unstable-2025-06-02";
   pyproject = true;
 
   disabled = pythonOlder "3.10";
@@ -23,8 +23,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "tree-sitter";
     repo = "py-tree-sitter";
-    tag = "v${version}";
-    hash = "sha256-ZDt/8suteaAjGdk71l8eej7jDkkVpVDBIZS63SA8tsU=";
+    rev = "9c78f3b8d10f81b97fbb2181c9333323d6375480";
+    hash = "sha256-jPqTraGrYFXBlci4Zaleyp/NTQhvuI39tYWRckjnV2E=";
     fetchSubmodules = true;
   };
 
@@ -56,11 +56,21 @@ buildPythonPackage rec {
     "test_dot_graphs"
   ];
 
-  meta = {
-    description = "Python bindings to the Tree-sitter parsing library";
-    homepage = "https://github.com/tree-sitter/py-tree-sitter";
-    changelog = "https://github.com/tree-sitter/py-tree-sitter/releases/tag/${src.tag}";
-    license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [ fab ];
-  };
+  meta =
+    let
+      # for an -unstable version, we grab the release notes for the last tagged
+      # version it is based upon
+      lastTag = lib.pipe version [
+        lib.splitVersion
+        (lib.take 3)
+        (lib.concatStringsSep ".")
+      ];
+    in
+    {
+      description = "Python bindings to the Tree-sitter parsing library";
+      homepage = "https://github.com/tree-sitter/py-tree-sitter";
+      changelog = "https://github.com/tree-sitter/py-tree-sitter/releases/tag/v${lastTag}";
+      license = lib.licenses.mit;
+      maintainers = with lib.maintainers; [ fab ];
+    };
 }