diff -ruN pioneer.orig/Makefile pioneer/Makefile
--- pioneer.orig/Makefile	2016-04-06 07:58:52.000000000 +0400
+++ pioneer/Makefile	2016-05-25 09:54:14.513156000 +0400
@@ -38,7 +38,7 @@
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	pioneerspacesim
-GH_TAGNAME=	20160404
+GH_TAGNAME=	20160525
 
 USES=		autoreconf gmake pkgconfig
 USE_GL=		gl
diff -ruN pioneer.orig/distinfo pioneer/distinfo
--- pioneer.orig/distinfo	2016-04-06 07:58:52.000000000 +0400
+++ pioneer/distinfo	2016-05-25 10:02:20.413224000 +0400
@@ -1,2 +1,2 @@
-SHA256 (pioneerspacesim-pioneer-0.0.20160404-20160404_GH0.tar.gz) = 6f32814128396cfdbd85ecf354cf590e34226173631aa485473f764762ad7ceb
-SIZE (pioneerspacesim-pioneer-0.0.20160404-20160404_GH0.tar.gz) = 189053561
+SHA256 (pioneerspacesim-pioneer-0.0.20160525-20160525_GH0.tar.gz) = 9eeca58338ad24e1dd8a1c42235d6eba00e32d3453eca17d2a889ebdbebd2e59
+SIZE (pioneerspacesim-pioneer-0.0.20160525-20160525_GH0.tar.gz) = 194458638