diff --git a/3rdparty/Makefile b/3rdparty/Makefile
index 32697b6f..93753d07 100644
--- a/3rdparty/Makefile
+++ b/3rdparty/Makefile
@@ -50,6 +50,7 @@ SDLTTF=SDL_ttf-2.0.11
 SDLTTFARCH=$(SDLTTF).tar.gz
 SDLTTFURL=https://www.libsdl.org/projects/SDL_ttf/release/$(SDLTTFARCH)
 SDLTTFSHA256 = 724cd895ecf4da319a3ef164892b72078bd92632a5d812111261cde248ebcdb7
+# we cannot take the latest version automatically because SDL2DEVEL is not signed :(
 SDL2VER = 2.0.12
 LATESTSDL2VER = $(shell curl -s -S http://www.libsdl.org/ | grep current | grep stable | sed 's/.*version \([0-9.]*\).*/\1/' )
 SDL2 = SDL2-$(SDL2VER)
@@ -62,14 +63,14 @@ SDL2DEVEL = SDL2-devel-$(SDL2VER)-mingw.tar.gz
 SDL2DEVELURL = https://www.libsdl.org/release/$(SDL2DEVEL)
 SDL2DEVELPATCH = SDL2-devel.patch
 SDL2DEVELSHA256 = e614a60f797e35ef9f3f96aef3dc6a1d786de3cc7ca6216f97e435c0b6aafc46
-SDL2IMAGEVER = 2.0.5
+SDL2IMAGEVER = $(LATESTSDL2IMAGEVER)
 SDL2IMAGE = SDL2_image-$(SDL2IMAGEVER)
 SDL2IMAGEARCH = $(SDL2IMAGE).tar.gz
 SDL2IMAGESIG = $(SDL2IMAGEARCH).sig
 SDL2IMAGEURL = https://www.libsdl.org/projects/SDL_image/release/$(SDL2IMAGEARCH)
 SDL2IMAGESIGURL = $(SDL2IMAGEURL).sig
 LATESTSDL2IMAGEVER = $(shell curl -s -S https://www.libsdl.org/projects/SDL_image/|grep release/|grep .tar.gz |head -n1|sed 's/.*SDL2_image-\([0-9.]*\).tar.gz.*/\1/')
-SDL2TTFVER = 2.0.15
+SDL2TTFVER = $(LATESTSDL2TTFVER)
 SDL2TTF = SDL2_ttf-$(SDL2TTFVER)
 SDL2TTFARCH = $(SDL2TTF).tar.gz
 SDL2TTFSIG = $(SDL2TTFARCH).sig