bump version number
diff --git a/contrib/zeromq/csharp/AssemblyInfo.cs b/contrib/zeromq/csharp/AssemblyInfo.cs
index 787b00d..e785620 100644
--- a/contrib/zeromq/csharp/AssemblyInfo.cs
+++ b/contrib/zeromq/csharp/AssemblyInfo.cs
@@ -36,7 +36,7 @@
// The form "{Major}.{Minor}.*" will automatically update the build and revision,
// and "{Major}.{Minor}.{Build}.*" will update just the revision.
-[assembly: AssemblyVersion("0.18.0.0")]
+[assembly: AssemblyVersion("0.19.0.0")]
// The following attributes are used to specify the signing key for the assembly,
// if desired. See the Mono documentation for more information about signing.