diff --git a/NEWS b/NEWS
index b581d70..36644f2 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,7 @@
 yubico-piv-tool NEWS -- History of user-visible changes.        -*- outline -*-
 
+* Version 1.6.3 (unreleased)
+
 * Version 1.6.2 (released 2018-09-14)
 
 ** Compare reader names case insensitive.
diff --git a/configure.ac b/configure.ac
index f5e5378..c1679b1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-AC_INIT([yubico-piv-tool], [1.6.2])
+AC_INIT([yubico-piv-tool], [1.6.3])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
 
@@ -34,7 +34,7 @@ AC_CONFIG_MACRO_DIR([m4])
 # Interfaces added:                             AGE++
 # Interfaces removed:                           AGE=0
 AC_SUBST([LT_CURRENT], 5)
-AC_SUBST([LT_REVISION], 4)
+AC_SUBST([LT_REVISION], 5)
 AC_SUBST([LT_AGE], 4)
 
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])