diff --git a/ChangeLog b/ChangeLog
index 9c3ba473a99df82a81269834c71a4bbe6151053a..51e077d8d0c5ceb71df87df5f4ceebbc259e697e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2018-11-24  Niels Möller  <nisse@lysator.liu.se>
+
+	* configure.ac: Bump package version to 3.4.1.
+	(LIBNETTLE_MINOR): Bump library version to 6.5.
+	(LIBHOGWEED_MINOR): Bump library version to 4.5.
+
 2018-06-17  Niels Möller  <nisse@lysator.liu.se>
 
 	Backported from master branch.
diff --git a/configure.ac b/configure.ac
index 8668263c104642fbe88dcd4048f39746d1999521..bb33e414885722ec24e04e795eecedb6bcec6c45 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ dnl -*- mode: shell-script; sh-indentation: 2; -*-
 
 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT([nettle], [3.4], [nettle-bugs@lists.lysator.liu.se])
+AC_INIT([nettle], [3.4.1], [nettle-bugs@lists.lysator.liu.se])
 AC_PREREQ(2.61)
 AC_CONFIG_SRCDIR([arcfour.c])
 # Needed to stop autoconf from looking for files in parent directories.
@@ -11,10 +11,10 @@ AC_CONFIG_AUX_DIR([.])
 AC_CONFIG_HEADER([config.h])
 
 LIBNETTLE_MAJOR=6
-LIBNETTLE_MINOR=4
+LIBNETTLE_MINOR=5
 
 LIBHOGWEED_MAJOR=4
-LIBHOGWEED_MINOR=4
+LIBHOGWEED_MINOR=5
 
 dnl Note double square brackets, for extra m4 quoting.
 MAJOR_VERSION=`echo $PACKAGE_VERSION | sed 's/^\([[^.]]*\)\..*/\1/'`