diff --git a/pkgs/development/python-modules/pwntools/default.nix b/pkgs/development/python-modules/pwntools/default.nix
index 6874fd866e82..228b89890f96 100644
--- a/pkgs/development/python-modules/pwntools/default.nix
+++ b/pkgs/development/python-modules/pwntools/default.nix
@@ -33,12 +33,12 @@ let
 in
 buildPythonPackage rec {
   pname = "pwntools";
-  version = "4.13.0";
+  version = "4.13.1";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-HVyiU4PsEPtk4o0ULB2Gj5HqHFOpPTUx0wFdgwgo08M=";
+    hash = "sha256-szInJftQMdwwll44VQc2CNmr900qv5enLGfUSq3843w=";
   };
 
   postPatch = ''