diff --git a/.github/policies/resourceManagement.yml b/.github/policies/resourceManagement.yml
index 1626cd891e85..60f1b8b720e1 100644
--- a/.github/policies/resourceManagement.yml
+++ b/.github/policies/resourceManagement.yml
@@ -378,18 +378,18 @@ configuration:
           branch: main
       then:
       - addMilestone:
-          milestone: 10.0-preview4
+          milestone: 10.0-preview5
       description: '[Milestone Assignments] Assign Milestone to PRs merged to the `main` branch'
     - if:
       - payloadType: Pull_Request
       - isAction:
           action: Closed
       - targetsBranch:
-          branch: release/10.0-preview3
+          branch: release/10.0-preview4
       then:
       - removeMilestone
       - addMilestone:
-          milestone: 10.0-preview3
+          milestone: 10.0-preview4
       description: '[Milestone Assignments] Assign Milestone to PRs merged to release/10.0-preview1 branch'
     - if:
       - payloadType: Issues
diff --git a/eng/Versions.props b/eng/Versions.props
index 62a3543545ca..f607d4aa3c2d 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -9,7 +9,7 @@
     <AspNetCoreMajorVersion>10</AspNetCoreMajorVersion>
     <AspNetCoreMinorVersion>0</AspNetCoreMinorVersion>
     <AspNetCorePatchVersion>0</AspNetCorePatchVersion>
-    <PreReleaseVersionIteration>4</PreReleaseVersionIteration>
+    <PreReleaseVersionIteration>5</PreReleaseVersionIteration>
     <ValidateBaseline>true</ValidateBaseline>
     <IdentityModelVersion Condition="'$(IsIdentityModelTestJob)' != 'true'">8.0.1</IdentityModelVersion>
     <IdentityModelVersion Condition="'$(IsIdentityModelTestJob)' == 'true'">*-*</IdentityModelVersion>