diff --git a/miniupnpc/CMakeLists.txt b/miniupnpc/CMakeLists.txt
index bd0efa1..8adb1dc 100644
--- a/miniupnpc/CMakeLists.txt
+++ b/miniupnpc/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required (VERSION 2.6)
 
 project (miniupnpc C)
 set (MINIUPNPC_VERSION 1.9)
-set (MINIUPNPC_API_VERSION 10)
+set (MINIUPNPC_API_VERSION 11)
 
 if (NOT CMAKE_BUILD_TYPE)
   if (WIN32)
diff --git a/miniupnpc/Makefile b/miniupnpc/Makefile
index 49868cd..bf0706d 100644
--- a/miniupnpc/Makefile
+++ b/miniupnpc/Makefile
@@ -55,7 +55,7 @@ ifeq (SunOS, $(OS))
 endif
 
 # APIVERSION is used to build SONAME
-APIVERSION = 10
+APIVERSION = 11
 
 SRCS = igd_desc_parse.c miniupnpc.c minixml.c minisoap.c miniwget.c \
        upnpc.c upnpcommands.c upnpreplyparse.c testminixml.c \
diff --git a/miniupnpc/apiversions.txt b/miniupnpc/apiversions.txt
index 69f61c7..9761b41 100644
--- a/miniupnpc/apiversions.txt
+++ b/miniupnpc/apiversions.txt
@@ -2,6 +2,11 @@ $Id: apiversions.txt,v 1.3 2014/01/31 13:14:32 nanard Exp $
 
 Differences in API between miniUPnPc versions
 
+API version 11
+
+add upnpDiscoverAll() / upnpDiscoverDevice() / upnpDiscoverDevices()
+functions
+
 ====================== miniUPnPc version 1.9 ======================
 API version 10
 
diff --git a/miniupnpc/miniupnpc.h b/miniupnpc/miniupnpc.h
index c66d141..e027c1d 100644
--- a/miniupnpc/miniupnpc.h
+++ b/miniupnpc/miniupnpc.h
@@ -19,7 +19,7 @@
 
 /* versions : */
 #define MINIUPNPC_VERSION	"1.9"
-#define MINIUPNPC_API_VERSION	10
+#define MINIUPNPC_API_VERSION	11
 
 #ifdef __cplusplus
 extern "C" {