diff --git a/lib/init.py b/lib/init.py
index 33e6edc..18da1da 100644
--- a/lib/init.py
+++ b/lib/init.py
@@ -2,6 +2,13 @@ import os
 import argparse
 import glob
 import json
+import sys
+
+def check_python_version():
+    python_version = sys.version_info
+    if not (python_version.major >= 3 and python_version.minor >= 3):
+        print("Minimum Python version needed: 3.3.0")
+        sys.exit(1)
 
 
 def init():
diff --git a/libinstaller.py b/libinstaller.py
index 91f03f7..6b8689f 100755
--- a/libinstaller.py
+++ b/libinstaller.py
@@ -7,10 +7,13 @@ from lib.shell import get_from_command
 from lib.toolchain import get_compiler_version, get_mpi_version, set_toolchain
 from lib.sort import sort_libs_by_dependencies
 from lib.installer import install_lib
-from lib.init import init
+from lib.init import init, check_python_version
 
 SCRIPT_VERSION = "v0.3"
 
+# check if Python >=3.3.0 is used
+check_python_version()
+
 # initialization by argparser
 arg_namespace, args = init()