diff --git a/clients/Makefile.am b/clients/Makefile.am
index 266e546bd2..e9d7e3c394 100644
--- a/clients/Makefile.am
+++ b/clients/Makefile.am
@@ -73,12 +73,12 @@ endif
 # object .so names would differ)
 
 # libupsclient version information
-libupsclient_la_LDFLAGS = -version-info 5:0:0 -export-symbols-regex ^upscli_
+libupsclient_la_LDFLAGS = -version-info 6:0:0 -export-symbols-regex ^upscli_
 
 if HAVE_CXX11
 # libnutclient version information and build
 libnutclient_la_SOURCES = nutclient.h nutclient.cpp
-libnutclient_la_LDFLAGS = -version-info 1:0:0
+libnutclient_la_LDFLAGS = -version-info 2:0:0
 # Needed in not-standalone builds with -DHAVE_NUTCOMMON=1
 # which is defined for in-tree CXX builds above:
 libnutclient_la_LIBADD = $(top_builddir)/common/libcommonclient.la
diff --git a/tools/nut-scanner/Makefile.am b/tools/nut-scanner/Makefile.am
index 692cdbcdc9..667b40b5a4 100644
--- a/tools/nut-scanner/Makefile.am
+++ b/tools/nut-scanner/Makefile.am
@@ -65,7 +65,7 @@ libnutscan_la_LIBADD += $(top_builddir)/common/libcommonclient.la
 # object .so names would differ)
 #
 # libnutscan version information
-libnutscan_la_LDFLAGS = $(SERLIBS) -version-info 1:0:0
+libnutscan_la_LDFLAGS = $(SERLIBS) -version-info 2:0:0
 
 # libnutscan exported symbols regex
 # WARNING: Since the library includes parts of libcommon (as much as needed