diff --git a/README.md b/README.md
index d549bd5..eb7c376 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# CountESS 0.0.39
+# CountESS 0.0.40
 
 This is CountESS, a modular, Python 3 reimplementation of Enrich2.
 
diff --git a/countess/__init__.py b/countess/__init__.py
index 7f1f6e9..5df8aa7 100644
--- a/countess/__init__.py
+++ b/countess/__init__.py
@@ -1,3 +1,3 @@
 """CountESS Project"""
 
-VERSION = "0.0.39"
+VERSION = "0.0.40"