diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9591c216..a7f7eefa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,6 +48,11 @@ if (STATIC_BUILD)
     else()
         set(CMAKE_FIND_LIBRARY_SUFFIXES ".a" ".so")
         set(link_param "-static")
+        if (BUILD_PYTHON)	
+            find_package(ZLIB)	
+            find_package(EXPAT)	
+            find_package(Threads)	
+        endif()
     endif()
 endif()