diff --git a/pkgs/games/quake3/ioquake/default.nix b/pkgs/games/quake3/ioquake/default.nix
index 285fb7e6884..133e679b460 100644
--- a/pkgs/games/quake3/ioquake/default.nix
+++ b/pkgs/games/quake3/ioquake/default.nix
@@ -1,19 +1,19 @@
-{ stdenv, fetchFromGitHub, which, pkgconfig, SDL2, libGL, openalSoft
+{ stdenv, fetchFromGitHub, which, pkg-config, SDL2, libGL, openalSoft
 , curl, speex, opusfile, libogg, libvorbis, libopus, libjpeg, mumble, freetype
 }:
 
 stdenv.mkDerivation {
   pname = "ioquake3-git";
-  version = "2019-05-29";
+  version = "2020-12-26";
 
   src = fetchFromGitHub {
     owner = "ioquake";
     repo = "ioq3";
-    rev = "350b8f9c7c88c002dccea4f0350f1919b86d3b4e";
-    sha256 = "17qkqi22f2fyh6bnfcf1zz2lycgv08d6aw52sf0hqw7r3qq86d08";
+    rev = "05180e32dcfb9a4552e1b9652b56127248a9950c";
+    sha256 = "0hcxxa1ambpdwhg7nb5hvb32g49rl5p9dcflpzcv5cax9drn166i";
   };
 
-  nativeBuildInputs = [ which pkgconfig ];
+  nativeBuildInputs = [ which pkg-config ];
   buildInputs = [
     SDL2 libGL openalSoft curl speex opusfile libogg libvorbis libopus libjpeg
     freetype mumble
@@ -34,7 +34,7 @@ stdenv.mkDerivation {
   meta = with stdenv.lib; {
     homepage = "https://ioquake3.org/";
     description = "First person shooter engine based on the Quake 3: Arena and Quake 3: Team Arena";
-    license = licenses.gpl2;
+    license = licenses.gpl2Only;
     platforms = platforms.linux;
     maintainers = with maintainers; [ rvolosatovs eelco abbradar ];
   };