diff --git a/src/Chessie/AssemblyInfo.fs b/src/Chessie/AssemblyInfo.fs
index d372fe8..8db1c68 100644
--- a/src/Chessie/AssemblyInfo.fs
+++ b/src/Chessie/AssemblyInfo.fs
@@ -4,9 +4,9 @@ open System.Reflection
 [<assembly: AssemblyTitleAttribute("Chessie")>]
 [<assembly: AssemblyProductAttribute("Chessie")>]
 [<assembly: AssemblyDescriptionAttribute("Railway-oriented programming for .NET")>]
-[<assembly: AssemblyVersionAttribute("0.0.20")>]
-[<assembly: AssemblyFileVersionAttribute("0.0.20")>]
+[<assembly: AssemblyVersionAttribute("0.0.21")>]
+[<assembly: AssemblyFileVersionAttribute("0.0.21")>]
 do ()
 
 module internal AssemblyVersionInformation =
-    let [<Literal>] Version = "0.0.20"
+    let [<Literal>] Version = "0.0.21"