diff --git a/.gitignore b/.gitignore
index bc1ad4aa..a9187084 100644
--- a/.gitignore
+++ b/.gitignore
@@ -294,3 +294,5 @@ __pycache__/
 /Tests/MQTTnet.TestApp.NetCore/RetainedMessages.json
 
 Build/NuGet/
+
+Build/nuget.exe
diff --git a/Source/MQTTnet.Extensions.ManagedClient/MQTTnet.Extensions.ManagedClient.csproj b/Source/MQTTnet.Extensions.ManagedClient/MQTTnet.Extensions.ManagedClient.csproj
index c07aa153..b53859da 100644
--- a/Source/MQTTnet.Extensions.ManagedClient/MQTTnet.Extensions.ManagedClient.csproj
+++ b/Source/MQTTnet.Extensions.ManagedClient/MQTTnet.Extensions.ManagedClient.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFrameworks>netstandard1.3;netstandard2.0;netstandard2.1;net5.0</TargetFrameworks>
@@ -8,6 +8,9 @@
     <Company />
     <Authors />
     <PackageId />
+    <GeneratePackageOnBuild>False</GeneratePackageOnBuild>
+    <SignAssembly>false</SignAssembly>
+    <DelaySign>false</DelaySign>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
diff --git a/Source/MQTTnet.Extensions.Rpc/MQTTnet.Extensions.Rpc.csproj b/Source/MQTTnet.Extensions.Rpc/MQTTnet.Extensions.Rpc.csproj
index c07aa153..b53859da 100644
--- a/Source/MQTTnet.Extensions.Rpc/MQTTnet.Extensions.Rpc.csproj
+++ b/Source/MQTTnet.Extensions.Rpc/MQTTnet.Extensions.Rpc.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFrameworks>netstandard1.3;netstandard2.0;netstandard2.1;net5.0</TargetFrameworks>
@@ -8,6 +8,9 @@
     <Company />
     <Authors />
     <PackageId />
+    <GeneratePackageOnBuild>False</GeneratePackageOnBuild>
+    <SignAssembly>false</SignAssembly>
+    <DelaySign>false</DelaySign>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
diff --git a/Source/MQTTnet.Extensions.WebSocket4Net/MQTTnet.Extensions.WebSocket4Net.csproj b/Source/MQTTnet.Extensions.WebSocket4Net/MQTTnet.Extensions.WebSocket4Net.csproj
index bd6fbb96..9a5cf528 100644
--- a/Source/MQTTnet.Extensions.WebSocket4Net/MQTTnet.Extensions.WebSocket4Net.csproj
+++ b/Source/MQTTnet.Extensions.WebSocket4Net/MQTTnet.Extensions.WebSocket4Net.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFrameworks>netstandard1.3;netstandard2.0;netstandard2.1;net5.0</TargetFrameworks>
@@ -8,6 +8,9 @@
     <Company />
     <Authors />
     <PackageId />
+    <GeneratePackageOnBuild>False</GeneratePackageOnBuild>
+    <SignAssembly>false</SignAssembly>
+    <DelaySign>false</DelaySign>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>