diff --git a/pkgs/development/python-modules/dnachisel/default.nix b/pkgs/development/python-modules/dnachisel/default.nix
index c931f25fcf98..51784fd0bd43 100644
--- a/pkgs/development/python-modules/dnachisel/default.nix
+++ b/pkgs/development/python-modules/dnachisel/default.nix
@@ -17,7 +17,7 @@
 
 buildPythonPackage rec {
   pname = "dnachisel";
-  version = "3.2.11";
+  version = "3.2.12";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -26,7 +26,7 @@ buildPythonPackage rec {
     owner = "Edinburgh-Genome-Foundry";
     repo = "DnaChisel";
     rev = "refs/tags/v${version}";
-    hash = "sha256-rcZq/HhU1xIyQ1jM8+gO9ONDLBAxiUIByoWk2nMwuGA=";
+    hash = "sha256-zoKaeK0b4EoxEQMODfrzDpI7xIKQ/w6Dmot+dw92fuw=";
   };
 
   propagatedBuildInputs = [