diff --git a/ChangeLog b/ChangeLog
index 86ad9dad..6c7d863a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+10/13/2014 Oleg Moskalenko <mom040267@gmail.com>
+Version 4.2.1.3 'Monza':
+	- Code cleaning.
+	
 10/05/2014 Oleg Moskalenko <mom040267@gmail.com>
 Version 4.2.1.2 'Monza':
 	- oAuth security experimental implementation;
diff --git a/rpm/build.settings.sh b/rpm/build.settings.sh
index 84d5ac35..1d327744 100755
--- a/rpm/build.settings.sh
+++ b/rpm/build.settings.sh
@@ -2,7 +2,7 @@
 
 # Common settings script.
 
-TURNVERSION=4.2.1.2
+TURNVERSION=4.2.1.3
 BUILDDIR=~/rpmbuild
 ARCH=`uname -p`
 TURNSERVER_SVN_URL=http://coturn.googlecode.com/svn
diff --git a/rpm/turnserver.spec b/rpm/turnserver.spec
index a014ae7e..f32362b3 100644
--- a/rpm/turnserver.spec
+++ b/rpm/turnserver.spec
@@ -1,5 +1,5 @@
 Name:		turnserver
-Version:	4.2.1.2
+Version:	4.2.1.3
 Release:	0%{dist}
 Summary:	Coturn TURN Server
 
@@ -294,6 +294,8 @@ fi
 %{_includedir}/turn/client/TurnMsgLib.h
 
 %changelog
+* Mon Oct 13 2014 Oleg Moskalenko <mom040267@gmail.com>
+  - Sync to 4.2.1.3
 * Sun Oct 05 2014 Oleg Moskalenko <mom040267@gmail.com>
   - Sync to 4.2.1.2
 * Thu Aug 14 2014 Oleg Moskalenko <mom040267@gmail.com>
diff --git a/src/apps/common/ns_turn_utils.c b/src/apps/common/ns_turn_utils.c
index 4406d007..ae96519f 100644
--- a/src/apps/common/ns_turn_utils.c
+++ b/src/apps/common/ns_turn_utils.c
@@ -664,15 +664,13 @@ int get_canonic_origin(const char* o, char *co, int sz)
 #include <set>
 #include <string>
 
-using namespace std;
-
 static volatile int tmm_init = 0;
 static pthread_mutex_t tm;
 
 typedef void* ptrtype;
-typedef set<ptrtype> ptrs_t;
-typedef map<string,ptrs_t> str_to_ptrs_t;
-typedef map<ptrtype,string> ptr_to_str_t;
+typedef std::set<ptrtype> ptrs_t;
+typedef std::map<std::string,ptrs_t> str_to_ptrs_t;
+typedef std::map<ptrtype,std::string> ptr_to_str_t;
 
 static str_to_ptrs_t str_to_ptrs;
 static ptr_to_str_t ptr_to_str;
@@ -692,7 +690,7 @@ static void add_tm_ptr(void *ptr, const char *id) {
   if(!ptr)
     return;
 
-  string sid(id);
+  std::string sid(id);
 
   str_to_ptrs_t::iterator iter;
 
@@ -701,7 +699,7 @@ static void add_tm_ptr(void *ptr, const char *id) {
   iter = str_to_ptrs.find(sid);
 
   if(iter == str_to_ptrs.end()) {
-    set<ptrtype> sp;
+    std::set<ptrtype> sp;
     sp.insert(ptr);
     str_to_ptrs[sid]=sp;
   } else {
@@ -730,7 +728,7 @@ static void del_tm_ptr(void *ptr, const char *id) {
 
   } else {
 
-    string sid = pts_iter->second;
+    std::string sid = pts_iter->second;
     ptr_to_str.erase(pts_iter);
 
     str_to_ptrs_t::iterator iter = str_to_ptrs.find(sid);
diff --git a/src/ns_turn_defs.h b/src/ns_turn_defs.h
index ef53e765..037b74f4 100644
--- a/src/ns_turn_defs.h
+++ b/src/ns_turn_defs.h
@@ -31,7 +31,7 @@
 #ifndef __IOADEFS__
 #define __IOADEFS__
 
-#define TURN_SERVER_VERSION "4.2.1.2"
+#define TURN_SERVER_VERSION "4.2.1.3"
 #define TURN_SERVER_VERSION_NAME "Monza"
 #define TURN_SOFTWARE "Coturn-" TURN_SERVER_VERSION " '" TURN_SERVER_VERSION_NAME "'"