diff --git a/CMakeLists.txt b/CMakeLists.txt
index 346efd1f086f6b9ff6c454e6af1af5a8b105b9d7..d1df0acd833e6530789fb5dcf073fb864012ccca 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -180,7 +180,7 @@ endif()
 file(GLOB CHAIN_NET_PYTHON_SRCS src/*.c)
 file(GLOB CHAIN_NET_PYTHON_HEADERS include/*.h)
 
-set(Python_ADDITIONAL_VERSIONS 3.7)
+set(Python_ADDITIONAL_VERSIONS 3.7 3.6 3.5 3.4)
 find_package (PythonLibs REQUIRED)
 include_directories(${PYTHON_INCLUDE_DIR} include/)