diff --git a/PGCNA/pgcna-multi.py b/PGCNA/pgcna-multi.py
index 534bbe6..cac0a12 100644
--- a/PGCNA/pgcna-multi.py
+++ b/PGCNA/pgcna-multi.py
@@ -22,6 +22,8 @@
 median correlation matrix.
 """
 from __future__ import print_function
+__author__="Matthew Care"
+__version__ = "1.0.0"
 
 import sys
 import os
diff --git a/PGCNA/pgcna.py b/PGCNA/pgcna.py
index 3fc9b54..3d6e108 100644
--- a/PGCNA/pgcna.py
+++ b/PGCNA/pgcna.py
@@ -19,6 +19,8 @@
 to process very large expression data-sets.
 """
 from __future__ import print_function
+__author__="Matthew Care"
+__version__ = "1.0.0"
 
 import sys
 import os
diff --git a/PGCNA2/pgcna2.py b/PGCNA2/pgcna2.py
index b9f68a2..4cf077c 100644
--- a/PGCNA2/pgcna2.py
+++ b/PGCNA2/pgcna2.py
@@ -27,6 +27,9 @@
 over the Louvain community detection method used originally.
 
 """
+__author__="Matthew Care"
+__version__ = "2.0.0"
+
 import sys
 import os
 import argparse