diff --git a/src/libosmo-legacy-mgcp/Makefile.am b/src/libosmo-legacy-mgcp/Makefile.am
index 9160586..4ee4e6a 100644
--- a/src/libosmo-legacy-mgcp/Makefile.am
+++ b/src/libosmo-legacy-mgcp/Makefile.am
@@ -24,7 +24,7 @@
 
 # This is not at all related to the release version, but a range of supported
 # API versions. Read TODO_RELEASE in the source tree's root!
-LEGACY_MGCP_LIBVERSION=0:0:0
+LEGACY_MGCP_LIBVERSION=0:1:0
 
 lib_LTLIBRARIES = \
 	libosmo-legacy-mgcp.la \