diff --git a/pkgs/by-name/b4/b4/package.nix b/pkgs/by-name/b4/b4/package.nix
index fcc090b9d289..60db5c158137 100644
--- a/pkgs/by-name/b4/b4/package.nix
+++ b/pkgs/by-name/b4/b4/package.nix
@@ -28,6 +28,7 @@ python3Packages.buildPythonApplication (finalAttrs: {
     dkimpy
     patatt
     git-filter-repo
+    textual
   ];
 
   meta = {