diff --git a/3rdparty/Makefile b/3rdparty/Makefile
index ee368d29..071d9a22 100644
--- a/3rdparty/Makefile
+++ b/3rdparty/Makefile
@@ -10,7 +10,7 @@ SDLIMAGEPATCHES = SDL_image-1.2.12.XCF_infinite_loop.patch \
 SDLTTF=SDL_ttf-2.0.11
 SDLTTFARCH=$(SDLTTF).tar.gz
 SDLTTFURL=https://www.libsdl.org/projects/SDL_ttf/release/$(SDLTTFARCH)
-LIBPNG = libpng-1.6.35
+LIBPNG = libpng-1.6.36
 LIBPNGARCH = $(LIBPNG).tar.gz
 LIBPNGURL = https://download.sourceforge.net/libpng/$(LIBPNGARCH)
 LIBPNGURLALT = ftp://ftp-osl.osuosl.org/pub/libpng/src/libpng16/$(LIBPNGARCH)