diff --git a/ReleaseVersion.xml b/ReleaseVersion.xml
index f86172d4..8b41ba2c 100644
--- a/ReleaseVersion.xml
+++ b/ReleaseVersion.xml
@@ -5,6 +5,6 @@
     - divergent versions, but for the moment this keeps things simpler.
     -->
   <PropertyGroup>
-    <Version>4.0.0-alpha03</Version>
+    <Version>4.0.0-alpha04</Version>
   </PropertyGroup>
 </Project>