diff --git a/configure/CONFIG_PVDATABASE_VERSION b/configure/CONFIG_PVDATABASE_VERSION
index fc0e87e..6e8531e 100644
--- a/configure/CONFIG_PVDATABASE_VERSION
+++ b/configure/CONFIG_PVDATABASE_VERSION
@@ -1,3 +1,12 @@
+# Version number for the PV Database API and shared library
+
 EPICS_PVDATABASE_MAJOR_VERSION = 4
 EPICS_PVDATABASE_MINOR_VERSION = 5
-EPICS_PVDATABASE_MAINTENANCE_VERSION = 0
+EPICS_PVDATABASE_MAINTENANCE_VERSION = 1
+
+# Development flag, set to zero for release versions
+
+EPICS_PVDATABASE_DEVELOPMENT_FLAG = 1
+
+# Immediately after a release the MAINTENANCE_VERSION
+# will be incremented and the DEVELOPMENT_FLAG set to 1