diff --git a/3rdparty/Makefile b/3rdparty/Makefile
index 1d4937c7..f9ef42ab 100644
--- a/3rdparty/Makefile
+++ b/3rdparty/Makefile
@@ -80,12 +80,12 @@ SDL2TTFSIG = $(SDL2TTFARCH).sig
 SDL2TTFURL = https://github.com/libsdl-org/SDL_ttf/releases/download/release-$(SDL2TTFVER)/$(SDL2TTFARCH)
 SDL2TTFSIGURL = $(SDL2TTFURL).sig
 LATESTSDL2TTFVER := $(shell curl -s -S https://api.github.com/repos/libsdl-org/SDL_ttf/tags | jq -r .[0].name|sed 's/.*-\([0-9.]*\)/\1/')
-LIBPNGVER = 1.6.38
+LIBPNGVER = 1.6.39
 LIBPNG = libpng-$(LIBPNGVER)
 LIBPNGARCH = $(LIBPNG).tar.gz
 LIBPNGURL = https://download.sourceforge.net/libpng/$(LIBPNGARCH)
 LIBPNGURLALT = http://sourceforge.mirrorservice.org/l/project/project/li/libpng/libpng16/$(LIBPNGVER)/$(LIBPNGARCH)
-LIBPNGSHA256 = e2b5e1b4329650992c041996cf1269681b341191dc07ffed816c555769cceb77
+LIBPNGSHA256 = af4fb7f260f839919e5958e5ab01a275d4fe436d45442a36ee62f73e5beb75ba
 LATESTLIBPNGVER = $(shell curl -s -S http://www.libpng.org/pub/png/libpng.html | grep "current public release" | sed 's/.*libpng \([0-9.]*\).*/\1/' )
 JPEGVER = 9e
 LATESTJPEGVER = $(shell curl -s -S http://www.ijg.org/ |grep "current version" | sed 's/.*release \([0-9]*[a-z]\) .*/\1/' )