diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index b32b80bf4..d1c9923b7 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -4,10 +4,10 @@
     <PackageLicenseUrl>https://github.com/danielgerlag/workflow-core/blob/master/LICENSE.md</PackageLicenseUrl>
     <RepositoryType>git</RepositoryType>
     <RepositoryUrl>https://github.com/danielgerlag/workflow-core.git</RepositoryUrl>
-    <Version>3.6.3</Version>
-    <AssemblyVersion>3.6.3.0</AssemblyVersion>
-    <FileVersion>3.6.3.0</FileVersion>
+    <Version>4.0.0</Version>
+    <AssemblyVersion>4.0.0.0</AssemblyVersion>
+    <FileVersion>4.0.0.0</FileVersion>
     <PackageIconUrl>https://github.com/danielgerlag/workflow-core/raw/master/src/logo.png</PackageIconUrl>
-    <PackageVersion>3.6.3</PackageVersion>
+    <PackageVersion>4.0.0</PackageVersion>
   </PropertyGroup>
 </Project>