diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9ab1f3f..b9d2d81 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -191,6 +191,7 @@
     endif(ZLIB_FOUND)
 endif(ENABLE_ZLIB_SUPPORT)
 
+add_subdirectory(3rdparty)
 add_subdirectory(library)
 add_subdirectory(include)
 add_subdirectory(crypto/library)