diff --git a/eng/Versions.props b/eng/Versions.props
index 9298dcf2ef40..a122971a551c 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -8,7 +8,7 @@
   <PropertyGroup Label="Version settings">
     <AspNetCoreMajorVersion>9</AspNetCoreMajorVersion>
     <AspNetCoreMinorVersion>0</AspNetCoreMinorVersion>
-    <AspNetCorePatchVersion>20</AspNetCorePatchVersion>
+    <AspNetCorePatchVersion>21</AspNetCorePatchVersion>
     <PreReleaseVersionIteration>
     </PreReleaseVersionIteration>
     <IdentityModelVersion Condition="'$(IsIdentityModelTestJob)' != 'true'">8.19.2</IdentityModelVersion>