diff --git a/pysp2/__init__.py b/pysp2/__init__.py
index 2231340..b246c85 100644
--- a/pysp2/__init__.py
+++ b/pysp2/__init__.py
@@ -10,4 +10,4 @@
 from . import testing
 
 
-__version__ = "1.5.0"
+__version__ = "1.5.1"