diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 25927b7f..66c6fe89 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -17,9 +17,9 @@
     <XunitVersion>2.4.2</XunitVersion>
     <TestSdkVersion>17.6.0</TestSdkVersion>
     <AkkaVersion>1.5.45</AkkaVersion>
-    <PbmVersion>1.4.4</PbmVersion>
+    <PbmVersion>1.4.5</PbmVersion>
     <AkkaHostingVersion>1.5.45</AkkaHostingVersion>
-    <MicrosoftExtensionsVersion>[8.0.0,)</MicrosoftExtensionsVersion>
+    <MicrosoftExtensionsVersion>9.0.7</MicrosoftExtensionsVersion>
   </PropertyGroup>
   <!-- SourceLink support for all Akka.NET projects -->
   <ItemGroup>