diff --git a/debian/changelog b/debian/changelog
index 2c98df3..b4d50e9 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+orafce (3.4.0-2) UNRELEASED; urgency=medium
+
+  * B-D on libicu-dev for PostgreSQL 10 support, utils/pg_locale.h wants it.
+
+ -- Christoph Berg <myon@debian.org>  Sat, 09 Sep 2017 23:24:29 +0200
+
 orafce (3.4.0-1) experimental; urgency=medium
 
   * New upstream version.
diff --git a/debian/control b/debian/control
index b1c384b..85c3314 100644
--- a/debian/control
+++ b/debian/control
@@ -10,9 +10,10 @@
  bison,
  debhelper (>= 9),
  flex,
+ libicu-dev,
  libssl-dev,
  postgresql-server-dev-all (>= 153~),
-Standards-Version: 3.9.8
+Standards-Version: 4.1.0
 Homepage: https://github.com/orafce/orafce
 Vcs-Git: git://anonscm.debian.org/pkg-postgresql/orafce.git
 Vcs-Browser: http://anonscm.debian.org/gitweb/?p=pkg-postgresql/orafce.git
diff --git a/debian/control.in b/debian/control.in
index d82092a..6762fba 100644
--- a/debian/control.in
+++ b/debian/control.in
@@ -10,9 +10,10 @@
  bison,
  debhelper (>= 9),
  flex,
+ libicu-dev,
  libssl-dev,
  postgresql-server-dev-all (>= 153~),
-Standards-Version: 3.9.8
+Standards-Version: 4.1.0
 Homepage: https://github.com/orafce/orafce
 Vcs-Git: git://anonscm.debian.org/pkg-postgresql/orafce.git
 Vcs-Browser: http://anonscm.debian.org/gitweb/?p=pkg-postgresql/orafce.git