diff --git a/pkgs/development/python-modules/sqlobject/default.nix b/pkgs/development/python-modules/sqlobject/default.nix
index f3c438342bce..2335a0204e48 100644
--- a/pkgs/development/python-modules/sqlobject/default.nix
+++ b/pkgs/development/python-modules/sqlobject/default.nix
@@ -10,11 +10,11 @@
 
 buildPythonPackage rec {
   pname = "SQLObject";
-  version = "3.8.1";
+  version = "3.9.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "620657105ab5720658222d10ad13c52281fe524137b59ab166eee4427ee2f548";
+    sha256 = "45064184decf7f42d386704e5f47a70dee517d3e449b610506e174025f84d921";
   };
 
   checkInputs = [ pytest ];