diff --git a/.github/workflows/nuget-release.yml b/.github/workflows/nuget-release.yml
index 5898596..4374de4 100644
--- a/.github/workflows/nuget-release.yml
+++ b/.github/workflows/nuget-release.yml
@@ -30,27 +30,11 @@ jobs:
       run: git clone https://github.com/Ujinjinjin/upm-preparator.git --branch v1.0.12 --single-branch
 
     - name: create temp directory
-      run: mkdir temp temp/com.sebaslab.svelto.common temp/com.sebaslab.svelto.ecs temp/bin temp/bin/debug temp/bin/release
-    
-    - name: copy solution file
-      run:  cp Svelto.ECS.sln "temp/Svelto.ECS.sln"
-    
-    # Prepare solution    
-    - name: copy Svelto.Common files to temp directory
-      run: cp -r Svelto.Common/* "temp/com.sebaslab.svelto.common"
-    
-    - name: copy Svelto.ECS files to temp directory
-      run: cp -r Svelto.ECS/* "temp/com.sebaslab.svelto.ecs"
-    
- #   - name: add Svelto.Common to solution
- #     run: dotnet sln "temp/${PKG_NAME}.sln" add "temp/com.sebaslab.svelto.common/Svelto.Common.csproj"
-    
-  #  - name: add Svelto.ECS to solution
-  #    run: dotnet sln "temp/${PKG_NAME}.sln" add "temp/com.sebaslab.svelto.ecs/Svelto.ECS.csproj"
+      run: mkdir temp temp/bin temp/bin/debug temp/bin/release
     
     # Build for Debug
     - name: create package for Debug configuration
-      run: dotnet pack /p:Version=1.0.0 -o temp/bin/debug temp/com.sebaslab.svelto.ecs/Svelto.ECS.csproj -c Debug
+      run: dotnet pack /p:PackageVersion=1.0.0 -o temp/bin/debug Svelto.ECS/Svelto.ECS.csproj -c Debug
 
     - name: unzip debug nuget package
       run: unzip temp/bin/debug/Svelto.ECS.1.0.0.nupkg -d temp/bin/debug
@@ -60,7 +44,7 @@ jobs:
 
     # Build for Release
     - name: create package for Release configuration
-      run: dotnet pack /p:Version=1.0.0 -o temp/bin/release temp/com.sebaslab.svelto.ecs/Svelto.ECS.csproj -c Release
+      run: dotnet pack /p:PackageVersion=1.0.0 -o temp/bin/release Svelto.ECS/Svelto.ECS.csproj -c Release
 
     - name: unzip release nuget package
       run: unzip temp/bin/release/Svelto.ECS.1.0.0.nupkg -d temp/bin/release
@@ -73,7 +57,7 @@ jobs:
       run: python3 upm-preparator/version.py --version-file "${ECS_VERSION_JSON}" --env-file "${GITHUB_ENV}"
 
     - name: build nuget package
-      run: sudo dotnet pack /p:PackageVersion=${PKG_VERSION} -o . temp/com.sebaslab.svelto.ecs/Svelto.ECS.csproj -c Custom
+      run: sudo dotnet pack /p:PackageVersion=${PKG_VERSION} -o . Svelto.ECS/Svelto.ECS.csproj -c NugetPack
 
-    # - name: publish nuget package
-    #   run: dotnet nuget push ${{ env.PKG_NAME }}.${{ env.PKG_VERSION }}.nupkg --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json
+    - name: publish nuget package
+      run: dotnet nuget push ${{ env.PKG_NAME }}.${{ env.PKG_VERSION }}.nupkg --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json
diff --git a/Makefile b/Makefile
index dcb0047..00f218a 100644
--- a/Makefile
+++ b/Makefile
@@ -2,23 +2,21 @@ pkg_name := "Svelto.ECS"
 
 nuget_pack:
 	make nuget_clean
-	mkdir temp temp/com.sebaslab.svelto.common temp/com.sebaslab.svelto.ecs temp/bin temp/bin/debug temp/bin/release
-	dotnet new sln -n ${pkg_name} -o temp/
-	cp -r Svelto.Common/* temp/com.sebaslab.svelto.common
-	cp -r Svelto.ECS/* temp/com.sebaslab.svelto.ecs
-	dotnet sln temp/${pkg_name}.sln add temp/com.sebaslab.svelto.common/Svelto.Common.csproj
-	dotnet sln temp/${pkg_name}.sln add temp/com.sebaslab.svelto.ecs/Svelto.ECS.csproj
+	mkdir temp temp/bin temp/bin/debug temp/bin/release
+
 	# Build for Debug
-	dotnet pack /p:Version=1.0.0 -o temp/bin/debug temp/com.sebaslab.svelto.ecs/Svelto.ECS.csproj -c Debug
+	dotnet pack /p:PackageVersion=1.0.0 -o temp/bin/debug Svelto.ECS/Svelto.ECS.csproj -c Debug
 	unzip temp/bin/debug/Svelto.ECS.1.0.0.nupkg -d temp/bin/debug
 	cp temp/bin/debug/lib/netstandard2.0/Svelto.ECS.dll temp/bin/debug
+
 	# Build for Release
-	dotnet pack /p:Version=1.0.0 -o temp/bin/release temp/com.sebaslab.svelto.ecs/Svelto.ECS.csproj -c Release
+	dotnet pack /p:PackageVersion=1.0.0 -o temp/bin/release Svelto.ECS/Svelto.ECS.csproj -c Release
 	unzip temp/bin/release/Svelto.ECS.1.0.0.nupkg -d temp/bin/release
 	cp temp/bin/release/lib/netstandard2.0/Svelto.ECS.dll temp/bin/release
+
 	# Compile into nuget
-	dotnet pack /p:PackageVersion=2.0.0 -o . temp/com.sebaslab.svelto.ecs/Svelto.ECS.csproj -c Custom
+	dotnet pack /p:PackageVersion=2.0.0 -o . Svelto.ECS/Svelto.ECS.csproj -c NugetPack
 	make nuget_clean
 
 nuget_clean:
-	rm -rf upm-preparator temp
\ No newline at end of file
+	rm -rf temp
\ No newline at end of file
diff --git a/Svelto.ECS/Svelto.ECS.csproj b/Svelto.ECS/Svelto.ECS.csproj
index 982670d..c5de002 100644
--- a/Svelto.ECS/Svelto.ECS.csproj
+++ b/Svelto.ECS/Svelto.ECS.csproj
@@ -1,14 +1,15 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <AssemblyName>Svelto.ECS</AssemblyName>
         <LangVersion>8</LangVersion>
         <TargetFramework>netstandard2.0</TargetFramework>
         <Company>Svelto</Company>
         <AssemblyVersion>3.2.1</AssemblyVersion>
+        <PackageVersion>3.2.1</PackageVersion>
     </PropertyGroup>
     <PropertyGroup>
         <PackageId>Svelto.ECS</PackageId>
-        <Authors>sebas77</Authors>
+        <Authors>Sebastiano Mandala</Authors>
         <RepositoryUrl>https://github.com/sebas77/Svelto.ECS</RepositoryUrl>
     </PropertyGroup>
     <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
@@ -21,10 +22,18 @@
         <UseSharedCompilation>false</UseSharedCompilation>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     </PropertyGroup>
+    <PropertyGroup Condition=" '$(Configuration)' == 'NugetPack' "> <!-- Do not delete. Used for nuget packing -->
+        <NuspecFile>Svelto.ECS.nuspec</NuspecFile>
+        <NuspecProperties>version=$(PackageVersion)</NuspecProperties>
+        <PlatformTarget>AnyCPU</PlatformTarget>
+        <UseSharedCompilation>false</UseSharedCompilation>
+        <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    </PropertyGroup>
     <ItemGroup>
         <PackageReference Include="System.Memory" Version="4.5.2" />
-        <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.6.0-preview8.19405.3" />
+        <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.6.0" />
         <None Remove="**\*.meta" />
         <ProjectReference Include="..\com.sebaslab.svelto.common\Svelto.Common.csproj" />
+        <ProjectReference Include="..\Svelto.Common\Svelto.Common.csproj" /> <!-- Do not delete. Used for nuget packing -->
     </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Svelto.ECS/Svelto.ECS.nuspec b/Svelto.ECS/Svelto.ECS.nuspec
index 24006c2..b7d7bf8 100644
--- a/Svelto.ECS/Svelto.ECS.nuspec
+++ b/Svelto.ECS/Svelto.ECS.nuspec
@@ -14,7 +14,7 @@
     </metadata>
     <files>
         <file src="Svelto.ECS.targets" target="build/" />
-        <file src="../bin/debug/Svelto.ECS.dll" target="lib/Debug/netstandard2.0/" />
-        <file src="../bin/release/Svelto.ECS.dll" target="lib/Release/netstandard2.0/" />
+        <file src="../temp/bin/debug/Svelto.ECS.dll" target="lib/Debug/netstandard2.0/" />
+        <file src="../temp/bin/release/Svelto.ECS.dll" target="lib/Release/netstandard2.0/" />
     </files>
 </package>