diff --git a/pkgs/development/libraries/quickder/default.nix b/pkgs/development/libraries/quickder/default.nix
index 28933f96fa1..80eb64a577c 100644
--- a/pkgs/development/libraries/quickder/default.nix
+++ b/pkgs/development/libraries/quickder/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, python2Packages, hexio
+{ lib, stdenv, fetchFromGitHub, python3Packages, hexio
 , cmake, bash, arpa2cm, git, asn2quickder }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  buildInputs = with python2Packages; [
+  buildInputs = with python3Packages; [
     arpa2cm
     asn1ate
     hexio