diff --git a/libcob/ChangeLog b/libcob/ChangeLog
index ffb519e6c..93576e06e 100644
--- a/libcob/ChangeLog
+++ b/libcob/ChangeLog
@@ -1,4 +1,8 @@
 
+2020-12-08  Simon Sobisch <simonsobisch@gnu.org>
+
+	* Makefile.am (libcob_la_LDFLAGS): updated version-info
+
 2020-12-07  Simon Sobisch <simonsobisch@gnu.org>
 
 	* termio.c (cob_dump_field): complete rewrite to allow any size of OCCURS
diff --git a/libcob/Makefile.am b/libcob/Makefile.am
index 9074e1ce1..70c574d82 100644
--- a/libcob/Makefile.am
+++ b/libcob/Makefile.am
@@ -38,7 +38,7 @@ AM_CPPFLAGS = -I$(top_srcdir) -I$(top_builddir)/lib -I$(top_srcdir)/lib \
 AM_CFLAGS = $(CODE_COVERAGE_CFLAGS)
 # note: currently misses libsupport...
 libcob_la_LIBADD = $(LIBCOB_LIBS) $(CODE_COVERAGE_LIBS)
-libcob_la_LDFLAGS = $(COB_FIX_LIBTOOL) -version-info 4:0:0 -no-undefined
+libcob_la_LDFLAGS = $(COB_FIX_LIBTOOL) -version-info 5:0:1 -no-undefined
 AM_LDFLAGS = $(COB_FIX_LIB)
 
 EXTRA_DIST = coblocal.h system.def