diff --git a/pkgs/development/python-modules/shtab/default.nix b/pkgs/development/python-modules/shtab/default.nix
index f5a276497502..4e8ba675b9c1 100644
--- a/pkgs/development/python-modules/shtab/default.nix
+++ b/pkgs/development/python-modules/shtab/default.nix
@@ -10,7 +10,7 @@
 
 buildPythonPackage rec {
   pname = "shtab";
-  version = "1.5.5";
+  version = "1.5.6";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -19,7 +19,7 @@ buildPythonPackage rec {
     owner = "iterative";
     repo = pname;
     rev = "refs/tags/v${version}";
-    hash = "sha256-I6De64eawNi36c8NiyVxj63PkxnZfUYYT4Dw4l42Ztk=";
+    hash = "sha256-w04wvmzWcp92slPIc2f1En+52J9Z/XvjGHHntCeuTd0=";
   };
 
   SETUPTOOLS_SCM_PRETEND_VERSION = version;