diff --git a/srcpkgs/gzdoom/patches/c3fed654ed85fc42ec59c99f760a7da572a95d2d.patch b/srcpkgs/gzdoom/patches/c3fed654ed85fc42ec59c99f760a7da572a95d2d.patch
new file mode 100644
index 00000000000..92399384298
--- /dev/null
+++ b/srcpkgs/gzdoom/patches/c3fed654ed85fc42ec59c99f760a7da572a95d2d.patch
@@ -0,0 +1,21 @@
+From c3fed654ed85fc42ec59c99f760a7da572a95d2d Mon Sep 17 00:00:00 2001
+From: John Zimmermann <johnz@posteo.net>
+Date: Tue, 29 Oct 2019 01:02:09 +0100
+Subject: [PATCH] utility/palette.cpp requires sse2 on x86*
+
+---
+ src/CMakeLists.txt | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
+index 6f6ece0a24..cb8ffc0f3d 100644
+--- src/CMakeLists.txt
++++ src/CMakeLists.txt
+@@ -1305,6 +1305,7 @@ if( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
+ 			rendering/polyrenderer/poly_all.cpp
+ 			rendering/swrenderer/r_all.cpp
+ 			utility/x86.cpp
++			utility/palette.cpp
+ 			PROPERTIES COMPILE_FLAGS "-msse2 -mmmx" )
+ 	endif()
+ endif()
diff --git a/srcpkgs/gzdoom/patches/i686.patch b/srcpkgs/gzdoom/patches/i686.patch
new file mode 100644
index 00000000000..6f9d839ab06
--- /dev/null
+++ b/srcpkgs/gzdoom/patches/i686.patch
@@ -0,0 +1,35 @@
+--- src/utility/palette.cpp	2019-10-20 16:16:08.000000000 +0200
++++ -	2019-10-30 16:45:10.882234214 +0100
+@@ -34,6 +34,10 @@
+ 
+ #include "palette.h"
+ #include "palentry.h"
++#include <cfloat>
++#include <cstring>
++#include <cstdlib>
++#include <cmath>
+
+ /****************************/
+ /* Palette management stuff */
+--- src/CMakeLists.txt	2019-10-30 16:50:46.769763172 +0100
++++ -	2019-10-30 17:11:18.507995925 +0100
+@@ -1210,7 +1210,7 @@
+ 	endif()
+ endif()
+ 
+-target_link_libraries( zdoom ${ZDOOM_LIBS} gdtoa dumb lzma adl opn timidity timidityplus wildmidi oplsynth zmusic )
++target_link_libraries( zdoom ${ZDOOM_LIBS} dl gdtoa dumb lzma adl opn timidity timidityplus wildmidi oplsynth zmusic )
+ 
+ include_directories( .
+ 	g_statusbar
+--- libraries/zmusic/CMakeLists.txt	2019-10-20 16:16:08.000000000 +0200
++++ -	2019-10-30 17:15:11.581747039 +0100
+@@ -94,7 +94,7 @@
+ 	zmusic/zmusic.cpp
+ 	${PLAT_SOURCES}
+ 	)
+-target_link_libraries( zmusic adl dumb gme oplsynth opn timidity timidityplus wildmidi )
++target_link_libraries( zmusic dl adl dumb gme oplsynth opn timidity timidityplus wildmidi )
+ 
+ if( NOT DYN_SNDFILE AND SNDFILE_FOUND )
+ 	include_directories( "${SNDFILE_INCLUDE_DIRS}" )
diff --git a/srcpkgs/gzdoom/template b/srcpkgs/gzdoom/template
index 136817c9386..d6fffdb7639 100644
--- a/srcpkgs/gzdoom/template
+++ b/srcpkgs/gzdoom/template
@@ -1,6 +1,6 @@
 # Template file for 'gzdoom'
 pkgname=gzdoom
-version=4.1.3
+version=4.2.3
 revision=1
 _tagdate=2019-07-09
 wrksrc="${pkgname}-g${version}"
@@ -15,8 +15,8 @@ license="GPL-3.0-or-later"
 homepage="https://www.zdoom.org"
 distfiles="https://github.com/coelckers/${pkgname}/archive/g${version}.tar.gz
  https://github.com/coelckers/${pkgname}/releases/download/g${version}/${pkgname}_${version}_amd64.deb"
-checksum="5174c73e553d8ebbb5939255a6bdc56aecd4ff862ed20e544f271d59290a2d2b
- bdcd19779d0c37ffeef2ef06252bd427f714546c6767f6ce61cb0bd5e99f99b9"
+checksum="6dad7c0be3a780f7cf3a3aea13768d58e3b49745ee84cc7ac46fe137daaf30b9
+ 102848ff2e82d121f180541a79322f66a836c1b249280e5aad7ea51f429bb3a3"
 skip_extraction="${pkgname}_${version}_amd64.deb"
 nocross=yes