diff --git a/debian/changelog b/debian/changelog
index ff0fb0ab..0720fa07 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,14 @@
+osmo-iuh (1.5.1) unstable; urgency=medium
+
+  [ Pau Espin Pedrol ]
+  * ranap_transp_layer_addr_decode2(): Fix decoding X.213 IPv4 address len=7
+
+  [ Daniel Willmann ]
+  * iu_client: Use local variable to track conn_id
+  * iu_client: Handle empty CR and InitialUE Message in DATA.ind
+
+ -- Oliver Smith <osmith@sysmocom.de>  Fri, 15 Dec 2023 15:05:11 +0100
+
 osmo-iuh (1.5.0) unstable; urgency=medium
 
   [ arehbein ]
diff --git a/src/Makefile.am b/src/Makefile.am
index 146c8aa5..44c4c434 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -62,7 +62,7 @@ AM_CFLAGS = -Wall -I$(top_srcdir)/include -I$(top_builddir)/include \
 # build the shared RANAP + SABP library
 #
 HNBAP_LIBVERSION=1:0:1
-RANAP_LIBVERSION=8:0:1
+RANAP_LIBVERSION=8:1:1
 RUA_LIBVERSION=1:1:1
 SABP_LIBVERSION=2:0:1
 lib_LTLIBRARIES = libosmo-hnbap.la libosmo-ranap.la libosmo-rua.la libosmo-sabp.la