diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 0bc80ffa3416..5504ee129e53 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -410,13 +410,13 @@
       <Uri>https://github.com/dotnet/arcade</Uri>
       <Sha>e8de3415124309210e4cbd0105e4a9da8dc01696</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Extensions.Diagnostics.Testing" Version="9.1.0-preview.1.24575.1">
+    <Dependency Name="Microsoft.Extensions.Diagnostics.Testing" Version="9.1.0-preview.1.24577.1">
       <Uri>https://github.com/dotnet/extensions</Uri>
-      <Sha>cfed375f3161f2e553e946b4f968b818e8e858f1</Sha>
+      <Sha>eace8d6bd03997f1f6a271547b03cf4a44b23657</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Extensions.TimeProvider.Testing" Version="9.1.0-preview.1.24575.1">
+    <Dependency Name="Microsoft.Extensions.TimeProvider.Testing" Version="9.1.0-preview.1.24577.1">
       <Uri>https://github.com/dotnet/extensions</Uri>
-      <Sha>cfed375f3161f2e553e946b4f968b818e8e858f1</Sha>
+      <Sha>eace8d6bd03997f1f6a271547b03cf4a44b23657</Sha>
     </Dependency>
     <Dependency Name="NuGet.Frameworks" Version="6.2.4">
       <Uri>https://github.com/nuget/nuget.client</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index b5a3f198bf17..3436c6478a7e 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -142,8 +142,8 @@
     <SystemIOHashingVersion>10.0.0-alpha.1.24601.1</SystemIOHashingVersion>
     <SystemRuntimeCachingVersion>10.0.0-alpha.1.24601.1</SystemRuntimeCachingVersion>
     <!-- Packages from dotnet/extensions -->
-    <MicrosoftExtensionsDiagnosticsTestingVersion>9.1.0-preview.1.24575.1</MicrosoftExtensionsDiagnosticsTestingVersion>
-    <MicrosoftExtensionsTimeProviderTestingVersion>9.1.0-preview.1.24575.1</MicrosoftExtensionsTimeProviderTestingVersion>
+    <MicrosoftExtensionsDiagnosticsTestingVersion>9.1.0-preview.1.24577.1</MicrosoftExtensionsDiagnosticsTestingVersion>
+    <MicrosoftExtensionsTimeProviderTestingVersion>9.1.0-preview.1.24577.1</MicrosoftExtensionsTimeProviderTestingVersion>
     <!-- Packages from dotnet/efcore -->
     <dotnetefVersion>10.0.0-alpha.1.24602.3</dotnetefVersion>
     <MicrosoftEntityFrameworkCoreInMemoryVersion>10.0.0-alpha.1.24602.3</MicrosoftEntityFrameworkCoreInMemoryVersion>