diff --git a/tools/build_versions.py b/tools/build_versions.py
index f598866e..af1faac2 100755
--- a/tools/build_versions.py
+++ b/tools/build_versions.py
@@ -6,7 +6,14 @@ import numpy as np
 import scipy as sp
 import matplotlib as mpl
 import six
+from PIL import Image
+import Cython
+import networkx
 
-for m in (np, sp, mpl, six):
-    if not m is None:
-        print(m.__name__.rjust(10), ' ', m.__version__)
+
+for m in (np, sp, mpl, six, Image, networkx, Cython):
+    if m is Image:
+        version = m.VERSION
+    else:
+        version = m.__version__
+    print(m.__name__.rjust(10), ' ', version)