diff --git a/aiscot/__init__.py b/aiscot/__init__.py
index 9311ad2..f5e8f19 100644
--- a/aiscot/__init__.py
+++ b/aiscot/__init__.py
@@ -19,7 +19,7 @@
 
 """AISCOT: Display Ships in TAK - AIS to TAK Gateway"""
 
-__version__ = "6.0.0-beta3"
+__version__ = "6.0.0-beta4"
 
 # Python 3.6 test/build work-around:
 try: