diff --git a/captcha/captcha.csproj b/captcha/captcha.csproj
index e5f0c36..5e68d76 100644
--- a/captcha/captcha.csproj
+++ b/captcha/captcha.csproj
@@ -26,7 +26,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="7.0.0" />
-    <PackageReference Include="System.Runtime.Caching" Version="7.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="8.0.0" />
+    <PackageReference Include="System.Drawing.Common" Version="8.0.0" />
+    <PackageReference Include="System.Runtime.Caching" Version="8.0.0" />
   </ItemGroup>
 </Project>
diff --git a/classify.console/classify.console.csproj b/classify.console/classify.console.csproj
index b8d18c8..46f3fa1 100644
--- a/classify.console/classify.console.csproj
+++ b/classify.console/classify.console.csproj
@@ -28,7 +28,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Configuration.ConfigurationManager" Version="7.0.0" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="8.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/classify.model-builder.console/classify.model-builder.console.csproj b/classify.model-builder.console/classify.model-builder.console.csproj
index 1e8c625..28d72fc 100644
--- a/classify.model-builder.console/classify.model-builder.console.csproj
+++ b/classify.model-builder.console/classify.model-builder.console.csproj
@@ -34,7 +34,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Configuration.ConfigurationManager" Version="7.0.0" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="8.0.0" />
   </ItemGroup>
 
   <PropertyGroup>
diff --git a/classify.webService/classify.webService.csproj b/classify.webService/classify.webService.csproj
index 3c43e07..1393d4d 100644
--- a/classify.webService/classify.webService.csproj
+++ b/classify.webService/classify.webService.csproj
@@ -34,9 +34,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Configuration.ConfigurationManager" Version="7.0.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Hosting.WindowsServices" Version="7.0.5" />
-    <PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="7.0.0" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="8.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Hosting.WindowsServices" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="8.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/classify/classify.csproj b/classify/classify.csproj
index b5f1f51..933ef86 100644
--- a/classify/classify.csproj
+++ b/classify/classify.csproj
@@ -22,7 +22,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Configuration.ConfigurationManager" Version="7.0.0" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="8.0.0" />
   </ItemGroup>
   
   <ItemGroup>