diff --git a/pkgs/development/python-modules/textual/default.nix b/pkgs/development/python-modules/textual/default.nix
index 76856cedeb58..7935a74ae0b0 100644
--- a/pkgs/development/python-modules/textual/default.nix
+++ b/pkgs/development/python-modules/textual/default.nix
@@ -30,14 +30,14 @@
 
 buildPythonPackage rec {
   pname = "textual";
-  version = "6.5.0";
+  version = "6.6.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Textualize";
     repo = "textual";
     tag = "v${version}";
-    hash = "sha256-Z9KevcicU+mt1XglYOdGWnMbRa1zpbts+0D2nwtgAac=";
+    hash = "sha256-gJWgGyPfSBxZRVuWvcehDs+hr2gmRsL6tleYCVPOPg4=";
   };
 
   build-system = [ poetry-core ];