diff --git a/flake.lock b/flake.lock
index ab0ff9f..eeb1593 100644
--- a/flake.lock
+++ b/flake.lock
@@ -19,11 +19,11 @@
     "nvim-treesitter": {
       "flake": false,
       "locked": {
-        "lastModified": 1773513967,
-        "narHash": "sha256-dY2Hx0WSwLDKhA/Uv9+BiQo5MwDiibuiglDG2ApSZM0=",
+        "lastModified": 1773472551,
+        "narHash": "sha256-hD5b0inN+Jb9SJf/t6DhnY0I5Z1PiTzLbiA4W7+MkV4=",
         "owner": "nvim-treesitter",
         "repo": "nvim-treesitter",
-        "rev": "2f5d4c3f3c675962242096bcc8e586d76dd72eb2",
+        "rev": "eb1f8e80cb28eb7892f347609e0bdc5eb574b945",
         "type": "github"
       },
       "original": {
diff --git a/overlay.nix b/overlay.nix
index 7c92c46..883b84f 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -79,7 +79,7 @@ let
         # patch nvim-treesitter with parser bundle path
         ln -sfT ${bundle}/parser $out/parser
         substituteInPlace $out/lua/nvim-treesitter/config.lua \
-          --replace-fail "install_dir = vim.fs.joinpath(vim.fn.stdpath('data') --[[@as string]], 'site')," \
+          --replace-fail "install_dir = vim.fs.joinpath(vim.fn.stdpath('data') --[[@as string]], 'site/')," \
           "install_dir = '$out'"
       '';
     });