diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 9eaa2efd199a4b..7f9120b3934c00 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -1,8 +1,8 @@
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.NETCore.Runtime.ICU.Transport" Version="9.0.0-rc.2.24466.2">
+    <Dependency Name="Microsoft.NETCore.Runtime.ICU.Transport" Version="9.0.0-rtm.24466.4">
       <Uri>https://github.com/dotnet/icu</Uri>
-      <Sha>48715e786cb907ee56f73ed74c0a19a6181d250f</Sha>
+      <Sha>a811ac5e4b91afb162a547bf1932e473411388e1</Sha>
     </Dependency>
     <Dependency Name="System.Net.MsQuic.Transport" Version="9.0.0-alpha.1.24167.3">
       <Uri>https://github.com/dotnet/msquic</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 6ea06ef71c1169..fc0131b13db6ce 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -216,7 +216,7 @@
     <!-- ILCompiler -->
     <MicrosoftDotNetILCompilerVersion>9.0.0-rc.2.24463.7</MicrosoftDotNetILCompilerVersion>
     <!-- ICU -->
-    <MicrosoftNETCoreRuntimeICUTransportVersion>9.0.0-rc.2.24466.2</MicrosoftNETCoreRuntimeICUTransportVersion>
+    <MicrosoftNETCoreRuntimeICUTransportVersion>9.0.0-rtm.24466.4</MicrosoftNETCoreRuntimeICUTransportVersion>
     <!-- MsQuic -->
     <MicrosoftNativeQuicMsQuicSchannelVersion>2.4.3</MicrosoftNativeQuicMsQuicSchannelVersion>
     <SystemNetMsQuicTransportVersion>9.0.0-alpha.1.24167.3</SystemNetMsQuicTransportVersion>