diff --git a/pkgs/development/python-modules/smart_open/default.nix b/pkgs/development/python-modules/smart_open/default.nix
index ea283f3a1ba..8b46d897460 100644
--- a/pkgs/development/python-modules/smart_open/default.nix
+++ b/pkgs/development/python-modules/smart_open/default.nix
@@ -12,11 +12,11 @@
 
 buildPythonPackage rec {
   pname = "smart_open";
-  version = "2.1.0";
+  version = "2.1.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "c8792d2e77f33b349fbaa62eb28ddc519e6b7e5d36407e9bdc00bececeaa776d";
+    sha256 = "51b05acd85ec007e1d4dcdbf2bbf917218a45026f37d559559401114bb5e5840";
   };
 
   # nixpkgs version of moto is >=1.2.0, remove version pin to fix build