diff --git a/pysp2/__init__.py b/pysp2/__init__.py
index 12ed406..5d409ba 100644
--- a/pysp2/__init__.py
+++ b/pysp2/__init__.py
@@ -9,4 +9,4 @@
 from . import vis
 from . import testing
 
-__version__ = "1.4.0"
+__version__ = "1.3.5"