diff --git a/bin/weewx/__init__.py b/bin/weewx/__init__.py
index b023c1f2..b53f8c7a 100644
--- a/bin/weewx/__init__.py
+++ b/bin/weewx/__init__.py
@@ -12,7 +12,7 @@
 """
 import time
 
-__version__="1.9.0a4"
+__version__="1.9.0a5"
 
 # Holds the program launch time in unix epoch seconds:
 # Useful for calculating 'uptime.'
diff --git a/weewx.conf b/weewx.conf
index 227f530d..d6aacb50 100644
--- a/weewx.conf
+++ b/weewx.conf
@@ -29,7 +29,7 @@ debug = 1
 socket_timeout = 20
 
 # Current version
-version = 1.9.0a4
+version = 1.9.0a5
 
 ############################################################################################