diff --git a/pkgs/development/python-modules/cypari2/default.nix b/pkgs/development/python-modules/cypari2/default.nix
index cf808fe263a4..f93e04629728 100644
--- a/pkgs/development/python-modules/cypari2/default.nix
+++ b/pkgs/development/python-modules/cypari2/default.nix
@@ -12,12 +12,12 @@
 buildPythonPackage rec {
   pname = "cypari2";
   # upgrade may break sage, please test the sage build or ping @timokau on upgrade
-  version = "2.1.4";
+  version = "2.1.5";
   format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-76SkTZb2k8sRVtof1vzMEw2vz5wZr0GFz3cL9E0A2/w=";
+    sha256 = "sha256-GiWGXDTyCx3JWDB5jjSrZDbieLjgyA3HvwqzTF2wOrg=";
   };
 
   patches = [