diff --git a/configure.ac b/configure.ac
index 9790fd5..33514b2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,7 +19,7 @@
# along with pavucontrol. If not, see .
AC_PREREQ(2.62)
-AC_INIT([pavucontrol],[3.0],[mzcnihpbageby (at) 0pointer (dot) de])
+AC_INIT([pavucontrol],[4.0],[mzcnihpbageby (at) 0pointer (dot) de])
AC_CONFIG_SRCDIR([src/pavucontrol.cc])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
diff --git a/doc/README.html.in b/doc/README.html.in
index c4465dd..ce52df7 100644
--- a/doc/README.html.in
+++ b/doc/README.html.in
@@ -37,7 +37,7 @@ General Public License for more details.
-Soon:
+Tue Mar 5 2019:
Version 4.0 released.
Changes: