diff --git a/Buildings/package.mo b/Buildings/package.mo
index 8a6bfdb212c..7016149baea 100644
--- a/Buildings/package.mo
+++ b/Buildings/package.mo
@@ -6034,7 +6034,7 @@ on the Buildings library.
 </p>
 <ul>
 <li>
-<a href=\"modelica://Buildings.UsersGuide.ReleaseNotes.Version_4_0_0\">Version 4.0.0</a> (March 29, 2016)
+<a href=\"modelica://Buildings.UsersGuide.ReleaseNotes.Version_4_0_0\">Version 4.0.0</a> (March 29, 2017)
 </li>
 <li>
 <a href=\"modelica://Buildings.UsersGuide.ReleaseNotes.Version_3_0_0\">Version 3.0.0</a> (March 29, 2016)