diff --git a/pkgs/development/python-modules/py-multibase/default.nix b/pkgs/development/python-modules/py-multibase/default.nix
index c304e68fd8dd..b229361917f6 100644
--- a/pkgs/development/python-modules/py-multibase/default.nix
+++ b/pkgs/development/python-modules/py-multibase/default.nix
@@ -10,12 +10,12 @@
 }:
 buildPythonPackage rec {
   pname = "py-multibase";
-  version = "1.0.1";
+  version = "1.0.3";
   disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version ;
-    sha256 = "6ed706ea321b487ba82e4172a9c82d61dacd675c865f576a937a94bca1a23443";
+    sha256 = "d28a20efcbb61eec28f55827a0bf329c7cea80fffd933aecaea6ae8431267fe4";
   };
 
   postPatch = ''