diff --git a/sign.snk b/sign.snk
new file mode 100644
index 00000000..029ae872
Binary files /dev/null and b/sign.snk differ
diff --git a/src/Tmds.DBus.Tool/Tmds.DBus.Tool.csproj b/src/Tmds.DBus.Tool/Tmds.DBus.Tool.csproj
index 200cc4f9..16c9718b 100644
--- a/src/Tmds.DBus.Tool/Tmds.DBus.Tool.csproj
+++ b/src/Tmds.DBus.Tool/Tmds.DBus.Tool.csproj
@@ -15,6 +15,9 @@
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <Copyright>Tom Deseyn</Copyright>
     <Description>Tmds.DBus CLI Tool</Description>
+    <SignAssembly>true</SignAssembly>
+    <AssemblyOriginatorKeyFile>..\..\sign.snk</AssemblyOriginatorKeyFile>
+    <PublicSign>true</PublicSign>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Tmds.DBus/CodeGen/DynamicAssembly.cs b/src/Tmds.DBus/CodeGen/DynamicAssembly.cs
index 516b4da3..8081977c 100644
--- a/src/Tmds.DBus/CodeGen/DynamicAssembly.cs
+++ b/src/Tmds.DBus/CodeGen/DynamicAssembly.cs
@@ -4,6 +4,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Reflection;
 using System.Reflection.Emit;
 using System.Runtime.CompilerServices;
@@ -24,8 +25,24 @@ internal class DynamicAssembly
 
         private DynamicAssembly()
         {
-            _assemblyBuilder = AssemblyBuilder.DefineDynamicAssembly(new AssemblyName(Tmds.DBus.Connection.DynamicAssemblyName), AssemblyBuilderAccess.Run);
-            _moduleBuilder = _assemblyBuilder.DefineDynamicModule(Tmds.DBus.Connection.DynamicAssemblyName);
+            byte[] keyBuffer;
+            using (Stream keyStream = typeof(DynamicAssembly).GetTypeInfo().Assembly.GetManifestResourceStream("Tmds.DBus.sign.snk"))
+            {
+                if (keyStream == null)
+                {
+                    throw new InvalidOperationException("'Tmds.DBus.sign.snk' not found in resources");
+                }
+                keyBuffer = new byte[keyStream.Length];
+                keyStream.Read(keyBuffer, 0, keyBuffer.Length);
+            }
+
+            var dynamicAssemblyName = "Tmds.DBus.Emit";
+            var assemblyName = new AssemblyName(dynamicAssemblyName);
+            assemblyName.Version = new Version(1, 0, 0);
+            assemblyName.Flags = AssemblyNameFlags.PublicKey;
+            assemblyName.SetPublicKey(keyBuffer);
+            _assemblyBuilder = AssemblyBuilder.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Run);
+            _moduleBuilder = _assemblyBuilder.DefineDynamicModule(dynamicAssemblyName);
             _proxyTypeMap = new Dictionary<Type, TypeInfo>();
             _adapterTypeMap = new Dictionary<Type, TypeInfo>();
         }
diff --git a/src/Tmds.DBus/Connection.cs b/src/Tmds.DBus/Connection.cs
index 96259b6e..ed68ee96 100644
--- a/src/Tmds.DBus/Connection.cs
+++ b/src/Tmds.DBus/Connection.cs
@@ -30,7 +30,7 @@ private enum ConnectionType
         /// <summary>
         /// Assembly name where the dynamically generated code resides.
         /// </summary>
-        public const string DynamicAssemblyName = "Tmds.DBus.Emit";
+        public const string DynamicAssemblyName = "Tmds.DBus.Emit, PublicKey=002400000480000094000000060200000024000052534131000400000100010071a8770f460cce31df0feb6f94b328aebd55bffeb5c69504593df097fdd9b29586dbd155419031834411c8919516cc565dee6b813c033676218496edcbe7939c0dd1f919f3d1a228ebe83b05a3bbdbae53ce11bcf4c04a42d8df1a83c2d06cb4ebb0b447e3963f48a1ca968996f3f0db8ab0e840a89d0a5d5a237e2f09189ed3";
 
         private static Connection s_systemConnection;
         private static Connection s_sessionConnection;
diff --git a/src/Tmds.DBus/Properties/AssemblyInfo.cs b/src/Tmds.DBus/Properties/AssemblyInfo.cs
index ff695171..2820adfe 100644
--- a/src/Tmds.DBus/Properties/AssemblyInfo.cs
+++ b/src/Tmds.DBus/Properties/AssemblyInfo.cs
@@ -2,4 +2,4 @@
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
-[assembly: InternalsVisibleTo("Tmds.DBus.Tests")]
+[assembly: InternalsVisibleTo("Tmds.DBus.Tests, PublicKey=002400000480000094000000060200000024000052534131000400000100010071a8770f460cce31df0feb6f94b328aebd55bffeb5c69504593df097fdd9b29586dbd155419031834411c8919516cc565dee6b813c033676218496edcbe7939c0dd1f919f3d1a228ebe83b05a3bbdbae53ce11bcf4c04a42d8df1a83c2d06cb4ebb0b447e3963f48a1ca968996f3f0db8ab0e840a89d0a5d5a237e2f09189ed3")]
diff --git a/src/Tmds.DBus/Tmds.DBus.csproj b/src/Tmds.DBus/Tmds.DBus.csproj
index 5d33ffc7..861bc2e2 100644
--- a/src/Tmds.DBus/Tmds.DBus.csproj
+++ b/src/Tmds.DBus/Tmds.DBus.csproj
@@ -12,6 +12,9 @@
     <RepositoryUrl>https://github.com/tmds/Tmds.DBus</RepositoryUrl>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <Copyright>Tom Deseyn;Alp Toker</Copyright>
+    <SignAssembly>true</SignAssembly>
+    <AssemblyOriginatorKeyFile>..\..\sign.snk</AssemblyOriginatorKeyFile>
+    <PublicSign>true</PublicSign>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.5' ">
     <PackageReference Include="System.IO.MemoryMappedFiles" Version="4.3.0" />
@@ -24,4 +27,7 @@
     <PackageReference Include="System.Reflection.Emit" Version="4.3.0" />
     <PackageReference Include="System.Security.Principal.Windows" Version="4.5.0" />
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="..\..\sign.snk" />
+  </ItemGroup>
 </Project>
diff --git a/test/Tmds.DBus.Tests/Tmds.DBus.Tests.csproj b/test/Tmds.DBus.Tests/Tmds.DBus.Tests.csproj
index 6bf8f404..98db80c3 100644
--- a/test/Tmds.DBus.Tests/Tmds.DBus.Tests.csproj
+++ b/test/Tmds.DBus.Tests/Tmds.DBus.Tests.csproj
@@ -2,6 +2,9 @@
 
   <PropertyGroup>
     <TargetFramework>netcoreapp3.0</TargetFramework>
+    <SignAssembly>true</SignAssembly>
+    <AssemblyOriginatorKeyFile>..\..\sign.snk</AssemblyOriginatorKeyFile>
+    <PublicSign>true</PublicSign>
   </PropertyGroup>
 
   <ItemGroup>
@@ -9,9 +12,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.3.0-preview-20170427-09" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0" />
-    <PackageReference Include="xunit" Version="2.2.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.2" />
+    <PackageReference Include="xunit" Version="2.4.1" />
     <Content Include="xunit.runner.json">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>