diff --git a/pkgs/development/python-modules/tiros/default.nix b/pkgs/development/python-modules/tiros/default.nix
index a620c6eb58df..7bf21b025219 100644
--- a/pkgs/development/python-modules/tiros/default.nix
+++ b/pkgs/development/python-modules/tiros/default.nix
@@ -5,11 +5,11 @@
 buildPythonPackage rec {
   pname = "tiros";
   name = "${pname}-${version}";
-  version = "1.0.40";
+  version = "1.0.42";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "841ca13564e3cddfd1404cbc60b3433bcc1e31c2753ecea20d0ad68173b80169";
+    sha256 = "d0f9bc6d463654c971a78e02a3159ec62a2db684a217a7e940e66d4a381bdd52";
   };
 
   patchPhase = ''