diff --git a/lib/fencing/Makefile.am b/lib/fencing/Makefile.am
index 205c4873d0..3a6245766a 100644
--- a/lib/fencing/Makefile.am
+++ b/lib/fencing/Makefile.am
@@ -1,28 +1,28 @@
 #
 # Original Author: Sun Jiang Dong <sunjd@cn.ibm.com>
 # Copyright 2004 International Business Machines
 #
-# with later changes copyright 2004-2018 the Pacemaker project contributors.
+# with later changes copyright 2004-2021 the Pacemaker project contributors.
 # The version control history for this file may have further details.
 #
 # This source code is licensed under the GNU General Public License version 2
 # or later (GPLv2+) WITHOUT ANY WARRANTY.
 #
 include $(top_srcdir)/mk/common.mk
 
 noinst_HEADERS		= fencing_private.h
 
 lib_LTLIBRARIES		= libstonithd.la
 
-libstonithd_la_LDFLAGS	= -version-info 32:0:6
+libstonithd_la_LDFLAGS	= -version-info 33:0:7
 
 libstonithd_la_CFLAGS	= $(CFLAGS_HARDENED_LIB)
 libstonithd_la_LDFLAGS	+= $(LDFLAGS_HARDENED_LIB)
 
 libstonithd_la_LIBADD	= $(top_builddir)/lib/common/libcrmcommon.la
 libstonithd_la_LIBADD   += $(top_builddir)/lib/services/libcrmservice.la
 
 libstonithd_la_SOURCES	= st_client.c st_output.c st_rhcs.c
 if BUILD_LHA_SUPPORT
 libstonithd_la_SOURCES	+= st_lha.c
 endif