diff --git a/pkgs/by-name/kn/knot-dns/package.nix b/pkgs/by-name/kn/knot-dns/package.nix
index 1b291d8c51ea..77256147da2c 100644
--- a/pkgs/by-name/kn/knot-dns/package.nix
+++ b/pkgs/by-name/kn/knot-dns/package.nix
@@ -33,11 +33,11 @@
 
 stdenv.mkDerivation rec {
   pname = "knot-dns";
-  version = "3.5.1";
+  version = "3.5.2";
 
   src = fetchurl {
     url = "https://secure.nic.cz/files/knot-dns/knot-${version}.tar.xz";
-    sha256 = "a614d5226ceed4b4cdd4a3badbb0297ea0f987f65948e4eb828119a3b5ac0a4b";
+    sha256 = "6f577c247ef870a55fe3377246bc1c2d643c673cd32de6c26231ff51d3fc7093";
   };
 
   outputs = [