diff --git a/SolutionInfo.cs b/SolutionInfo.cs
index 71834b6a..b343ede3 100644
--- a/SolutionInfo.cs
+++ b/SolutionInfo.cs
@@ -3,11 +3,11 @@ using System.Reflection;
 using System.Runtime.InteropServices;
 
 [assembly: AssemblyProductAttribute("Octokit")]
-[assembly: AssemblyVersionAttribute("0.6.3")]
-[assembly: AssemblyFileVersionAttribute("0.6.3")]
+[assembly: AssemblyVersionAttribute("0.7.0")]
+[assembly: AssemblyFileVersionAttribute("0.7.0")]
 [assembly: ComVisibleAttribute(false)]
 namespace System {
     internal static class AssemblyVersionInformation {
-        internal const string Version = "0.6.3";
+        internal const string Version = "0.7.0";
     }
 }
diff --git a/build.fsx b/build.fsx
index 38e289b6..cd7a132e 100644
--- a/build.fsx
+++ b/build.fsx
@@ -6,6 +6,9 @@ open SourceLink
 
 let authors = ["GitHub"]
 
+// TODO: this is a naughty hack
+let preRelease = "-alpha2"
+
 // project name and description
 let projectName = "Octokit"
 let projectDescription = "An async-based GitHub API client library for .NET"
@@ -136,7 +139,7 @@ Target "CreateOctokitPackage" (fun _ ->
             OutputPath = packagingRoot
             Summary = projectSummary
             WorkingDir = packagingDir
-            Version = releaseNotes.AssemblyVersion
+            Version = releaseNotes.AssemblyVersion + preRelease
             ReleaseNotes = toLines releaseNotes.Notes
             AccessKey = getBuildParamOrDefault "nugetkey" ""
             Publish = hasBuildParam "nugetkey" }) "octokit.nuspec"
@@ -159,10 +162,10 @@ Target "CreateOctokitReactivePackage" (fun _ ->
             OutputPath = packagingRoot
             Summary = reactiveProjectSummary
             WorkingDir = reactivePackagingDir
-            Version = releaseNotes.AssemblyVersion
+            Version = releaseNotes.AssemblyVersion + preRelease
             ReleaseNotes = toLines releaseNotes.Notes
             Dependencies =
-                ["Octokit", NormalizeVersion releaseNotes.AssemblyVersion
+                ["Octokit", NormalizeVersion releaseNotes.AssemblyVersion + preRelease
                  "Rx-Main", GetPackageVersion "./packages/" "Rx-Main"]
             AccessKey = getBuildParamOrDefault "nugetkey" ""
             Publish = hasBuildParam "nugetkey" }) "Octokit.Reactive.nuspec"