diff --git a/Makefile.am b/Makefile.am
index e764ea6dcc704d8fb795513dc13438217326b950..eeb24dd007667a467b7594ecc9ba0606ff301878 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,3 +1,5 @@
+AM_CXXFLAGS = -pthread
+
 SUBDIRS = src
 
 if ENABLE_TOOLS
diff --git a/configure.ac b/configure.ac
index af8d2e4d6cd799b0cef1a9a083a7870bc0c0bb4d..95824d193a0ea66c475860e5c2596228f61894c1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -74,7 +74,7 @@ AX_CXX_COMPILE_STDCXX_11([noext],[mandatory])
 PKG_PROG_PKG_CONFIG()
 PKG_CHECK_MODULES([nettle], [nettle >= 2.4])
 PKG_CHECK_MODULES([GNUTLS], [gnutls >= 3.1])
-PKG_CHECK_MODULES([msgpack], [msgpack >= 1.1])
+PKG_CHECK_MODULES([msgpack], [msgpack >= 1.2])
 
 AC_ARG_ENABLE([tools], AS_HELP_STRING([--disable-tools],[Disable tools (CLI DHT node)]),,build_tools=yes)
 AM_CONDITIONAL(ENABLE_TOOLS, test x$build_tools == xyes)