diff --git a/pkgs/development/python-modules/asciimatics/default.nix b/pkgs/development/python-modules/asciimatics/default.nix
index 09bf4e6a3da2..7fcf67687929 100644
--- a/pkgs/development/python-modules/asciimatics/default.nix
+++ b/pkgs/development/python-modules/asciimatics/default.nix
@@ -12,11 +12,11 @@
 
 buildPythonPackage rec {
   pname = "asciimatics";
-  version = "1.11.0";
+  version = "1.12.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "132y3gc0dj9vmgajmzz2fyc3icrrgsvynwfl0g31bylm7h9p220x";
+    sha256 = "4120461a3fb345638dee4fe0f8a3d3f9b6d2d2e003f95c5f914523f94463158d";
   };
 
   nativeBuildInputs = [