diff --git a/.version b/.version
index 2fdad9f4058..a88d2ca3231 100644
--- a/.version
+++ b/.version
@@ -1 +1 @@
-17.09
+18.03
diff --git a/nixos/doc/manual/release-notes/rl-1803.xml b/nixos/doc/manual/release-notes/rl-1803.xml
new file mode 100644
index 00000000000..ce05cde7b08
--- /dev/null
+++ b/nixos/doc/manual/release-notes/rl-1803.xml
@@ -0,0 +1,46 @@
+<section xmlns="http://docbook.org/ns/docbook"
+         xmlns:xlink="http://www.w3.org/1999/xlink"
+         xmlns:xi="http://www.w3.org/2001/XInclude"
+         version="5.0"
+         xml:id="sec-release-18.03">
+
+<title>Release 18.03 (“Impala”, 2018/03/??)</title>
+
+<para>In addition to numerous new and upgraded packages, this release
+has the following highlights: </para>
+
+<itemizedlist>
+  <listitem>
+    <para>
+    </para>
+  </listitem>
+</itemizedlist>
+
+<para>The following new services were added since the last release:</para>
+
+<itemizedlist>
+  <listitem>
+    <para></para>
+  </listitem>
+</itemizedlist>
+
+<para>When upgrading from a previous release, please be aware of the
+following incompatible changes:</para>
+
+<itemizedlist>
+  <listitem>
+    <para>
+    </para>
+  </listitem>
+</itemizedlist>
+
+<para>Other notable improvements:</para>
+
+<itemizedlist>
+  <listitem>
+    <para>
+    </para>
+  </listitem>
+</itemizedlist>
+
+</section>
diff --git a/nixos/modules/misc/version.nix b/nixos/modules/misc/version.nix
index 315c33a462c..48cde2ebbc8 100644
--- a/nixos/modules/misc/version.nix
+++ b/nixos/modules/misc/version.nix
@@ -95,7 +95,7 @@ in
       nixosVersionSuffix = mkIf (pathIsDirectory gitRepo) (mkDefault (".git." + gitCommitId));
 
       # Note: code names must only increase in alphabetical order.
-      nixosCodeName = "Hummingbird";
+      nixosCodeName = "Impala";
     };
 
     # Generate /etc/os-release.  See