diff --git a/.gitignore b/.gitignore
index 7dde283..ca4dbdd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,15 +1,15 @@
-bin/
-lib/
-doc/
-include/
-db/
-dbd/
-documentation/html
-documentation/*.tag
+/bin/
+/cfg/
+/lib/
+/include/
+/db/
+/dbd/
+/documentation/html
+/documentation/*.tag
+/configure/*.local
+/configure/RELEASE.*
+/configure/CONFIG_SITE.*
+/!configure/ExampleRELEASE.local
 envPaths
-configure/*.local
-configure/RELEASE.*
-configure/CONFIG_SITE.*
-!configure/ExampleRELEASE.local
 **/O.*
 QtC-*
diff --git a/configure/CONFIG_QSRV_VERSION b/configure/CONFIG_QSRV_VERSION
new file mode 100644
index 0000000..de3e0ec
--- /dev/null
+++ b/configure/CONFIG_QSRV_VERSION
@@ -0,0 +1,9 @@
+# Module (source) version
+EPICS_QSRV_MAJOR_VERSION = 1
+EPICS_QSRV_MINOR_VERSION = 0
+EPICS_QSRV_MAINTENANCE_VERSION = 0
+EPICS_QSRV_DEVELOPMENT_FLAG = 1
+
+# ABI version
+EPICS_QSRV_ABI_MAJOR_VERSION = 1
+EPICS_QSRV_ABI_MINOR_VERSION = 0
diff --git a/configure/Makefile b/configure/Makefile
index 9254309..a3f78d3 100644
--- a/configure/Makefile
+++ b/configure/Makefile
@@ -5,4 +5,6 @@ include $(TOP)/configure/CONFIG
 TARGETS = $(CONFIG_TARGETS)
 CONFIGS += $(subst ../,,$(wildcard $(CONFIG_INSTALLS)))
 
+CFG += CONFIG_QSRV_VERSION
+
 include $(TOP)/configure/RULES
diff --git a/pdbApp/Makefile b/pdbApp/Makefile
index 92258ce..37844d6 100644
--- a/pdbApp/Makefile
+++ b/pdbApp/Makefile
@@ -7,6 +7,8 @@ include $(TOP)/configure/CONFIG
 
 LIBRARY += qsrv
 
+SHRLIB_VERSION ?= $(EPICS_QSRV_ABI_MAJOR_VERSION).$(EPICS_QSRV_ABI_MINOR_VERSION)
+
 USR_CPPFLAGS += -I$(TOP)/common -I$(TOP)/p2pApp
 
 qsrv_SRCS += pvif.cpp
diff --git a/pdbApp/qsrv.dbd b/pdbApp/qsrv.dbd
index ce5f41e..14046d0 100644
--- a/pdbApp/qsrv.dbd
+++ b/pdbApp/qsrv.dbd
@@ -1,3 +1,6 @@
+# Changes to this file may require incrementing
+# the ABI version in CONFIG_QSRV_VERSION
+
 registrar(QSRVRegistrar)
 #registrar(installPVAAddLinkHook)
 #link("pva", "lsetPVA")