diff --git a/eng/Versions.props b/eng/Versions.props
index 2137e4e6b26..bb24cb28232 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -9,7 +9,7 @@
       Version prefix used by a few projects like Project Templates
       Revision portion of Major.Minor.Revision usually updated every release
     -->
-    <TraditionalVersionPrefix>3.1.20</TraditionalVersionPrefix>
+    <TraditionalVersionPrefix>3.1.21</TraditionalVersionPrefix>
     <PreReleaseVersionLabel>servicing</PreReleaseVersionLabel>
     <DotNetUseShippingVersions>true</DotNetUseShippingVersions>
     <AssemblyVersion>4.0.0.0</AssemblyVersion>