diff --git a/pkgs/by-name/ha/harlequin/package.nix b/pkgs/by-name/ha/harlequin/package.nix
index b12abb6b7a03..186fa4ae2c04 100644
--- a/pkgs/by-name/ha/harlequin/package.nix
+++ b/pkgs/by-name/ha/harlequin/package.nix
@@ -28,7 +28,7 @@ let
       });
 
       textual-textarea = super.textual-textarea.overridePythonAttrs (old: {
-        pythonRelaxDeps = old.pythonRelaxDeps ++ [ "textual" ];
+        pythonRelaxDeps = (old.pythonRelaxDeps or [ ]) ++ [ "textual" ];
       });
     };
   };
diff --git a/pkgs/development/python-modules/textual-textarea/default.nix b/pkgs/development/python-modules/textual-textarea/default.nix
index 89638f9586b6..8ab356d467ef 100644
--- a/pkgs/development/python-modules/textual-textarea/default.nix
+++ b/pkgs/development/python-modules/textual-textarea/default.nix
@@ -20,21 +20,18 @@
 
 buildPythonPackage rec {
   pname = "textual-textarea";
-  version = "0.16.0";
+  version = "0.17.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "tconbeer";
     repo = "textual-textarea";
     tag = "v${version}";
-    hash = "sha256-AIt3UqfZbJBgAACxJHElhvAsJWk9I6zjdeRjBtI/FiA=";
+    hash = "sha256-E6Yw/NRjfrdCeERgM0jdjfmG9zL2GhY2qAWUB1XwFic=";
   };
 
   build-system = [ hatchling ];
 
-  pythonRelaxDeps = [
-    "tree-sitter-sql"
-  ];
   dependencies = [
     pyperclip
     textual