diff --git a/var/spack/repos/builtin/packages/ftxui/package.py b/var/spack/repos/builtin/packages/ftxui/package.py
index bf3e2e8144..e176c17778 100644
--- a/var/spack/repos/builtin/packages/ftxui/package.py
+++ b/var/spack/repos/builtin/packages/ftxui/package.py
@@ -13,4 +13,5 @@ class Ftxui(CMakePackage):
     homepage = "https://arthursonzogni.github.io"
     url = "https://github.com/ArthurSonzogni/FTXUI/archive/refs/tags/v2.0.0.tar.gz"
 
+    version("4.0.0", sha256="7276e4117429ebf8e34ea371c3ea4e66eb99e0f234cb4c5c85fca17174a53dfa")
     version("2.0.0", sha256="d891695ef22176f0c09f8261a37af9ad5b262dd670a81e6b83661a23abc2c54f")