diff --git a/.github/policies/resourceManagement.yml b/.github/policies/resourceManagement.yml
index e858ef9606d9..f326671804e2 100644
--- a/.github/policies/resourceManagement.yml
+++ b/.github/policies/resourceManagement.yml
@@ -497,19 +497,19 @@ configuration:
           branch: main
       then:
       - addMilestone:
-          milestone: 9.0-preview5
+          milestone: 9.0-preview6
       description: '[Milestone Assignments] Assign Milestone to PRs merged to the `main` branch'
     - if:
       - payloadType: Pull_Request
       - isAction:
           action: Closed
       - targetsBranch:
-          branch: release/9.0-preview4
+          branch: release/9.0-preview5
       then:
       - removeMilestone
       - addMilestone:
-          milestone: 9.0-preview4
-      description: '[Milestone Assignments] Assign Milestone to PRs merged to release/9.0-preview4 branch'
+          milestone: 9.0-preview5
+      description: '[Milestone Assignments] Assign Milestone to PRs merged to release/9.0-preview5 branch'
     - if:
       - payloadType: Issues
       - isAction:
diff --git a/eng/Versions.props b/eng/Versions.props
index 16b1ac60dce1..eb0fe39ffe0f 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -9,7 +9,7 @@
     <AspNetCoreMajorVersion>9</AspNetCoreMajorVersion>
     <AspNetCoreMinorVersion>0</AspNetCoreMinorVersion>
     <AspNetCorePatchVersion>0</AspNetCorePatchVersion>
-    <PreReleaseVersionIteration>5</PreReleaseVersionIteration>
+    <PreReleaseVersionIteration>6</PreReleaseVersionIteration>
     <ValidateBaseline>true</ValidateBaseline>
     <IdentityModelVersion Condition="'$(IsIdentityModelTestJob)' != 'true'">7.4.1</IdentityModelVersion>
     <IdentityModelVersion Condition="'$(IsIdentityModelTestJob)' == 'true'">*-*</IdentityModelVersion>