diff --git a/Doxyfile b/Doxyfile
index 9209456..5a4000c 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = pva2pva
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.3.0
+PROJECT_NUMBER         = 1.3.1-dev
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/configure/CONFIG_QSRV_VERSION b/configure/CONFIG_QSRV_VERSION
index 978e868..b2dfdc4 100644
--- a/configure/CONFIG_QSRV_VERSION
+++ b/configure/CONFIG_QSRV_VERSION
@@ -1,7 +1,7 @@
 # Module (source) version
 EPICS_QSRV_MAJOR_VERSION = 1
 EPICS_QSRV_MINOR_VERSION = 3
-EPICS_QSRV_MAINTENANCE_VERSION = 0
+EPICS_QSRV_MAINTENANCE_VERSION = 1
 
 # ABI version
 EPICS_QSRV_ABI_MAJOR_VERSION = 1
@@ -9,7 +9,7 @@ EPICS_QSRV_ABI_MINOR_VERSION = 2
 
 # Development flag, set to zero for release versions
 
-EPICS_QSRV_DEVELOPMENT_FLAG = 0
+EPICS_QSRV_DEVELOPMENT_FLAG = 1
 
 # Immediately after a release the MAINTENANCE_VERSION
 # will be incremented and the DEVELOPMENT_FLAG set to 1