diff --git a/pkgs/development/python-modules/libknot/default.nix b/pkgs/development/python-modules/libknot/default.nix
index effdecfa624f..03f249969a00 100644
--- a/pkgs/development/python-modules/libknot/default.nix
+++ b/pkgs/development/python-modules/libknot/default.nix
@@ -12,12 +12,12 @@
 
 buildPythonPackage rec {
   pname = "libknot";
-  version = "3.3.8";
+  version = "3.3.9";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-RG2NOFQC6rxeutawn3ArZy9uNLn+gPmEqrv1E0YYJx4=";
+    hash = "sha256-AAjH5+IQdkzTIp1+q638d9dzAfo7nXUudOLQm81P7lU=";
   };
 
   postPatch = ''