diff --git a/build/IceRpc.Version.props b/build/IceRpc.Version.props
index b2d45ee49..7bdeb5341 100644
--- a/build/IceRpc.Version.props
+++ b/build/IceRpc.Version.props
@@ -1,7 +1,7 @@
 <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <!-- The version of all assembly files built in this repository -->
-    <Version Condition="'$(Version)' == ''">0.4.1-preview1</Version>
+    <Version Condition="'$(Version)' == ''">0.4.2-preview1</Version>
     <!-- The Protobuf version used by IceRpc.Protobuf -->
     <ProtobufVersion>28.3</ProtobufVersion>
     <NuGetProtobufVersion>3.$(ProtobufVersion)</NuGetProtobufVersion>