diff --git a/pkgs/development/python-modules/libtmux/default.nix b/pkgs/development/python-modules/libtmux/default.nix
index b3ad5d6cd689..f27a5ac6e221 100644
--- a/pkgs/development/python-modules/libtmux/default.nix
+++ b/pkgs/development/python-modules/libtmux/default.nix
@@ -12,14 +12,14 @@
 
 buildPythonPackage rec {
   pname = "libtmux";
-  version = "0.21.1";
+  version = "0.22.1";
   format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "tmux-python";
     repo = pname;
     rev = "refs/tags/v${version}";
-    hash = "sha256-mWujuw2n5PfGdVnORTyYe83BGnwwZ/BFxt9BR5udZDA=";
+    hash = "sha256-tz7Pynm/xHx2X3QjXkvFlX6sVlsVKqrsS1CVmqlqfj0=";
   };
 
   postPatch = ''