diff --git a/pkgs/development/python-modules/textual/default.nix b/pkgs/development/python-modules/textual/default.nix
index 30396df98ae1..4642d29e4d94 100644
--- a/pkgs/development/python-modules/textual/default.nix
+++ b/pkgs/development/python-modules/textual/default.nix
@@ -77,6 +77,12 @@ buildPythonPackage rec {
   disabledTests = [
     # Assertion issues
     "test_textual_env_var"
+
+    # Fail since tree-sitter-markdown was updated to 0.5.0
+    # ValueError: Incompatible Language version 15. Must be between 13 and 14
+    # https://github.com/Textualize/textual/issues/5868
+    "test_setting_builtin_language_via_attribute"
+    "test_setting_builtin_language_via_constructor"
   ];
 
   pytestFlagsArray = [