diff --git a/Project-Aurora/Project-Aurora/Properties/AssemblyInfo.cs b/Project-Aurora/Project-Aurora/Properties/AssemblyInfo.cs
index fd2dc502b..95da6b9a6 100755
--- a/Project-Aurora/Project-Aurora/Properties/AssemblyInfo.cs
+++ b/Project-Aurora/Project-Aurora/Properties/AssemblyInfo.cs
@@ -34,5 +34,5 @@
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
 [assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("0.6.4")]
+[assembly: AssemblyFileVersion("0.6.4b")]
 [assembly: NeutralResourcesLanguage("en")]
\ No newline at end of file
diff --git a/appveyor.yml b/appveyor.yml
index 0c010e57d..ed8a52733 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 0.6.4-{build}
+version: 0.6.4b-{build}
 pull_requests:
   do_not_increment_build_number: true
 branches: