diff --git a/chat/toxcore/Makefile b/chat/toxcore/Makefile
index c614af5fded0..331c95d7e5a2 100644
--- a/chat/toxcore/Makefile
+++ b/chat/toxcore/Makefile
@@ -1,6 +1,6 @@
 # $NetBSD: Makefile,v 1.1 2018/07/30 18:58:43 jperkin Exp $
 
-DISTNAME=	toxcore-0.2.4
+DISTNAME=	toxcore-0.2.6
 CATEGORIES=	chat
 MASTER_SITES=	${MASTER_SITE_GITHUB:=TokTok/}
 GITHUB_PROJECT=	c-toxcore
@@ -12,7 +12,7 @@ COMMENT=	Tox protocol library
 LICENSE=	gnu-gpl-v3
 
 USE_CMAKE=	yes
-USE_LANGUAGES=	c c++
+USE_LANGUAGES=	c99 c++
 USE_TOOLS=	pkg-config
 TEST_TARGET=	test
 
diff --git a/chat/toxcore/PLIST b/chat/toxcore/PLIST
index 1ef3498e4e1a..4db230af4f6c 100644
--- a/chat/toxcore/PLIST
+++ b/chat/toxcore/PLIST
@@ -6,5 +6,5 @@ include/tox/toxencryptsave.h
 lib/libtoxcore.a
 lib/libtoxcore.so
 lib/libtoxcore.so.2
-lib/libtoxcore.so.2.4.0
+lib/libtoxcore.so.2.6.0
 lib/pkgconfig/toxcore.pc
diff --git a/chat/toxcore/distinfo b/chat/toxcore/distinfo
index 3e726983ea29..aac09e502398 100644
--- a/chat/toxcore/distinfo
+++ b/chat/toxcore/distinfo
@@ -1,6 +1,7 @@
 $NetBSD: distinfo,v 1.1 2018/07/30 18:58:43 jperkin Exp $
 
-SHA1 (toxcore-0.2.4.tar.gz) = 2fbc29180f774d35e387447d3c25c74f86578a24
-RMD160 (toxcore-0.2.4.tar.gz) = fd4404fdd9f5484cccfff022faaa9b218f64836f
-SHA512 (toxcore-0.2.4.tar.gz) = 322a5970087cd149f5c037ad4463eb34edfcc074dd76f7d63b117af93ee813922855380afbe0cda4cf39fd16f177eedee18a8e453ed14915321f9cec8ae7679d
-Size (toxcore-0.2.4.tar.gz) = 479618 bytes
+SHA1 (toxcore-0.2.6.tar.gz) = 6d507a4d6186378730874a708bc37ae807880747
+RMD160 (toxcore-0.2.6.tar.gz) = aa3b2a437d094d5201bbbec1130289fbda95fd42
+SHA512 (toxcore-0.2.6.tar.gz) = 7f82528d4e65e77fd054435b5bd749d90d6f397e5a36c2abd618002d9589ec76e7b728f7af6ae958384efde45ed37da96ba70bd77206a20a2e87b7473a2b03bf
+Size (toxcore-0.2.6.tar.gz) = 484051 bytes
+SHA1 (patch-testing_misc__tools.c) = f0695b6a350f4b795bdaab4a1f5e09730558842a
diff --git a/chat/toxcore/patches/patch-testing_misc__tools.c b/chat/toxcore/patches/patch-testing_misc__tools.c
new file mode 100644
index 000000000000..f0799ff11a15
--- /dev/null
+++ b/chat/toxcore/patches/patch-testing_misc__tools.c
@@ -0,0 +1,13 @@
+$NetBSD$
+
+--- testing/misc_tools.c.orig	2018-08-16 20:45:33.000000000 +0000
++++ testing/misc_tools.c
+@@ -27,7 +27,7 @@
+ 
+ #ifndef _POSIX_C_SOURCE
+ // For nanosleep().
+-#define _POSIX_C_SOURCE 199309L
++#define _POSIX_C_SOURCE 200112L
+ #endif
+ 
+ #include "misc_tools.h"