diff --git a/Directory.Build.props b/Directory.Build.props
index a362bb1..b25b7db 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <Version>1.3.1</Version>
+    <Version>1.4.0</Version>
     <!--
       .NET does not allow the above version format for AssemblyVersion, and this
       is the version used in gRPC headers. The format is
@@ -32,7 +32,7 @@
       and 0.2.0 then is 0.2.0.5. But if there is no prerelease version, just
       leave revision off.
     -->
-    <AssemblyVersion>1.3.1</AssemblyVersion>
+    <AssemblyVersion>1.4.0</AssemblyVersion>
   </PropertyGroup>
 
   <ItemGroup>