diff --git a/.gitignore b/.gitignore
index 02bd4f9fce4c9752e2524c7fa73637c4dbe7a9d7..7379b397db26c2c72f01871165fcfa1967eabd09 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,4 +12,4 @@ PKG-INFO
 # PyCharm
 .idea
 **/.idea/workspace.xml
-**/.idea/tasks.xml
\ No newline at end of file
+**/.idea/tasks.xml
diff --git a/requirements.txt b/requirements.txt
index 0d0788d283a34293929fa4db4d2aa3af40394eb0..fd1960356988ac9d2904e9381e546c7c0327b1eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-metis
+metis>=0.2a3
 lxml
 tabulate
 flask
diff --git a/setup.py b/setup.py
index 6b4f86e5d1b154eee96c956b510a1622edd72d66..b3291e0bb98885d4a3a6a1dc560d93a4bde01588 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@ setup(name='kadmos',
       license='Apache Software License',
       packages=find_packages(),
       install_requires=[
-            'metis',
+            'metis>=0.2a3',
             'lxml',
             'tabulate',
             'flask',