diff --git a/configure.ac b/configure.ac
index c43950cf..b49923d0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -104,9 +104,9 @@ LT_INIT([shared static])
 #
 #  --> Set 'LT_LIBCOAP_AGE' to 0.
 
-LT_LIBCOAP_CURRENT=0
+LT_LIBCOAP_CURRENT=1
 LT_LIBCOAP_REVISION=0
-LT_LIBCOAP_AGE=0
+LT_LIBCOAP_AGE=1
 LIBCOAP_SO_VERSION=$LT_LIBCOAP_CURRENT.$LT_LIBCOAP_REVISION.$LT_LIBCOAP_AGE
 
 # Announce the libtool version