diff --git a/src/ServiceInsight.CustomViewer.Plugin/ServiceInsight.CustomViewer.Plugin.csproj b/src/ServiceInsight.CustomViewer.Plugin/ServiceInsight.CustomViewer.Plugin.csproj
index d7437fc1..2b170b3a 100644
--- a/src/ServiceInsight.CustomViewer.Plugin/ServiceInsight.CustomViewer.Plugin.csproj
+++ b/src/ServiceInsight.CustomViewer.Plugin/ServiceInsight.CustomViewer.Plugin.csproj
@@ -10,7 +10,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Autofac" Version="7.1.0" />
+    <PackageReference Include="Autofac" Version="9.1.0" />
     <PackageReference Include="Autofac.Configuration" Version="6.0.0" />
     <PackageReference Include="AvalonEdit" Version="6.3.0.90" />
   </ItemGroup>
diff --git a/src/ServiceInsight/ServiceInsight.csproj b/src/ServiceInsight/ServiceInsight.csproj
index e9dc9112..7df0d9e8 100644
--- a/src/ServiceInsight/ServiceInsight.csproj
+++ b/src/ServiceInsight/ServiceInsight.csproj
@@ -41,7 +41,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Autofac" Version="7.1.0" />
+    <PackageReference Include="Autofac" Version="9.1.0" />
     <PackageReference Include="Autofac.Configuration" Version="6.0.0" />
     <PackageReference Include="AvalonEdit" Version="6.3.0.90" />
     <PackageReference Include="Gong-wpf-dragdrop" Version="3.2.1" />