diff --git a/Tapeti/Connection/TapetiClient.cs b/Tapeti/Connection/TapetiClient.cs
index 04cd078..b23038e 100644
--- a/Tapeti/Connection/TapetiClient.cs
+++ b/Tapeti/Connection/TapetiClient.cs
@@ -820,7 +820,7 @@ namespace Tapeti.Connection
                         }
                         finally
                         {
-                            capturedConnection?.Dispose();
+                            capturedConnection.Dispose();
                         }
                     }
 
diff --git a/Tapeti/Tapeti.csproj b/Tapeti/Tapeti.csproj
index 2ba6a69..67eaba9 100644
--- a/Tapeti/Tapeti.csproj
+++ b/Tapeti/Tapeti.csproj
@@ -25,8 +25,7 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.*" />
-    <PackageReference Include="RabbitMQ.Client" Version="6.5" />
-    <PackageReference Include="System.Configuration.ConfigurationManager" Version="7.0.0" />
+    <PackageReference Include="RabbitMQ.Client" Version="[6.5]" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)'=='netstandard2.0'">