diff --git a/pkgs/development/python-modules/islpy/default.nix b/pkgs/development/python-modules/islpy/default.nix
index 3ddea4879cc..149aa4c9c14 100644
--- a/pkgs/development/python-modules/islpy/default.nix
+++ b/pkgs/development/python-modules/islpy/default.nix
@@ -10,12 +10,12 @@
 
 buildPythonPackage rec {
   pname = "islpy";
-  version = "2023.1";
+  version = "2023.1.2";
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-QLkpCBF95OBOzPrBXmlzyhFMfq1bs2+S/8Z5n4oMekg=";
+    sha256 = "sha256-NsNI1N9ZuNYWr1i3dl7hSaTP3jdsTYsIpoF98vrZG9Y=";
   };
 
   postConfigure = ''