diff --git a/NEWS b/NEWS
index b717064..e9f1d60 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,7 @@
 yubico-piv-tool NEWS -- History of user-visible changes.        -*- outline -*-
 
+* Version 1.4.3 (unreleased)
+
 * Version 1.4.2 (released 2016-08-12)
 
 ** Clarify license headers and clean up YKCS11 licensing.
diff --git a/configure.ac b/configure.ac
index eec8f3b..97c1cf1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -34,7 +34,7 @@ AC_CONFIG_MACRO_DIR([m4])
 # Interfaces added:                             AGE++
 # Interfaces removed:                           AGE=0
 AC_SUBST([LT_CURRENT], 4)
-AC_SUBST([LT_REVISION], 4)
+AC_SUBST([LT_REVISION], 5)
 AC_SUBST([LT_AGE], 3)
 
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])