diff --git a/lib/hdb/Makefile.am b/lib/hdb/Makefile.am
index bc15c6973..0a9310ddd 100644
--- a/lib/hdb/Makefile.am
+++ b/lib/hdb/Makefile.am
@@ -20,7 +20,7 @@ LDADD = libhdb.la \
 	$(DBLIB)
 
 lib_LTLIBRARIES = libhdb.la
-libhdb_la_LDFLAGS = -version-info 3:1:0
+libhdb_la_LDFLAGS = -version-info 4:0:1
 
 libhdb_la_SOURCES = 				\
 		    keytab.c			\