diff --git a/pkgs/development/python-modules/simple-salesforce/default.nix b/pkgs/development/python-modules/simple-salesforce/default.nix
index 566c5c7c8365..bcbe6770919b 100644
--- a/pkgs/development/python-modules/simple-salesforce/default.nix
+++ b/pkgs/development/python-modules/simple-salesforce/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage rec {
   pname = "simple-salesforce";
-  version = "1.12.2";
+  version = "1.12.3";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -21,7 +21,7 @@ buildPythonPackage rec {
     owner = pname;
     repo = pname;
     rev = "refs/tags/v${version}";
-    sha256 = "sha256-E1tYKcV+7Raw8R7EOwyzCKh5keGxt232lxEQkoYU0Fw=";
+    sha256 = "sha256-lCZdX+gf9ROU1MIRw/ppTNO8jIGUxE1+gbHh6sK5L2s=";
   };
 
   propagatedBuildInputs = [