diff --git a/net9/Func/Func.csproj b/net9/Func/Func.csproj
index 70c1b59..ebb6e70 100644
--- a/net9/Func/Func.csproj
+++ b/net9/Func/Func.csproj
@@ -13,7 +13,7 @@
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http.AspNetCore" Version="2.1.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Timer" Version="4.3.1" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="2.0.7" />
-    <PackageReference Include="Microsoft.ApplicationInsights.WorkerService" Version="2.23.0" />
+    <PackageReference Include="Microsoft.ApplicationInsights.WorkerService" Version="3.1.1" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.ApplicationInsights" Version="2.50.0" />
   </ItemGroup>
   <ItemGroup>
diff --git a/net9/FuncWithAddSerilog/FuncWithAddSerilog.csproj b/net9/FuncWithAddSerilog/FuncWithAddSerilog.csproj
index 8914dc4..f33cf46 100644
--- a/net9/FuncWithAddSerilog/FuncWithAddSerilog.csproj
+++ b/net9/FuncWithAddSerilog/FuncWithAddSerilog.csproj
@@ -9,7 +9,7 @@
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
     <!-- Application Insights isn't enabled by default. See https://aka.ms/AAt8mw4. -->
-    <PackageReference Include="Microsoft.ApplicationInsights.WorkerService" Version="2.23.0" />
+    <PackageReference Include="Microsoft.ApplicationInsights.WorkerService" Version="3.1.1" />
 
     <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="2.52.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.ApplicationInsights" Version="2.50.0" />
diff --git a/net9/FuncWithSerilog/FuncWithSerilog.csproj b/net9/FuncWithSerilog/FuncWithSerilog.csproj
index 2b68dfd..4371115 100644
--- a/net9/FuncWithSerilog/FuncWithSerilog.csproj
+++ b/net9/FuncWithSerilog/FuncWithSerilog.csproj
@@ -13,7 +13,7 @@
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http.AspNetCore" Version="2.1.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Timer" Version="4.3.1" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="2.0.7" />
-    <PackageReference Include="Microsoft.ApplicationInsights.WorkerService" Version="2.23.0" />
+    <PackageReference Include="Microsoft.ApplicationInsights.WorkerService" Version="3.1.1" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.ApplicationInsights" Version="2.50.0" />
     <PackageReference Include="Serilog.Extensions.Hosting" Version="10.0.0" />
     <PackageReference Include="Serilog.Sinks.ApplicationInsights" Version="5.0.1" />