diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 7511d59a20..44873e21ff 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <VersionPrefix>13.15.8</VersionPrefix>
+    <VersionPrefix>13.15.9</VersionPrefix>
 
     <Authors>Rico Suter</Authors>
     <Copyright>Copyright © Rico Suter, 2021</Copyright>