diff --git a/EclipsingBinaries/__init__.py b/EclipsingBinaries/__init__.py
index 2a0ac05..d623f88 100644
--- a/EclipsingBinaries/__init__.py
+++ b/EclipsingBinaries/__init__.py
@@ -1 +1 @@
-__version__ = "3.1.8a3"
+__version__ = "3.1.8a4"