diff --git a/configure.ac b/configure.ac
index 5ddbcec28..11630e325 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,7 +8,7 @@ AC_PREREQ(2.59)
 ## Autoconf initialisation. ##
 ## ------------------------ ##
 dnl Please do not use '-' in the version number, 'make rpm' will fail
-AC_INIT([hamlib],[1.2.11],[hamlib-developer@lists.sourceforge.net])
+AC_INIT([hamlib],[1.2.12svn],[hamlib-developer@lists.sourceforge.net])
 AC_CONFIG_SRCDIR([include/hamlib/rig.h])
 
 ## ------------------------ ##
diff --git a/src/Makefile.am b/src/Makefile.am
index a4204ebec..444c2b195 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -5,7 +5,7 @@ RIGSRC = rig.c serial.c misc.c register.c event.c cal.c conf.c tones.c \
 
 lib_LTLIBRARIES = libhamlib.la
 libhamlib_la_SOURCES = $(RIGSRC)
-libhamlib_la_LDFLAGS = $(WINLDFLAGS) $(OSXLDFLAGS) -no-undefined -version-info @ABI_VERSION@:11:0
+libhamlib_la_LDFLAGS = $(WINLDFLAGS) $(OSXLDFLAGS) -no-undefined -version-info @ABI_VERSION@:12:0
 libhamlib_la_CFLAGS = -DIN_HAMLIB $(AM_CFLAGS) -DHAMLIB_MODULE_DIR=\"$(libdir)\"
 libhamlib_la_LIBADD = @LIBLTDL@ $(top_builddir)/lib/libmisc.la \
 		      @NET_LIBS@ @MATH_LIBS@ $(LIBUSB_LIBS)