diff --git a/CHANGELOG.md b/CHANGELOG.md
index d30dfa059..1a1fd340e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -36,6 +36,7 @@ when .NET expects an integer [#1342][i1342]
 -   BREAKING: Methods with `ref` or `out` parameters and void return type return a tuple of only the `ref` and `out` parameters.
 -   BREAKING: to call Python from .NET `Runtime.PythonDLL` property must be set to Python DLL name
 or the DLL must be loaded in advance. This must be done before calling any other Python.NET functions.
+-   Sign Runtime DLL with a strong name
 
 ### Fixed
 
diff --git a/src/embed_tests/Python.EmbeddingTest.csproj b/src/embed_tests/Python.EmbeddingTest.csproj
index 1bb4fed11..67a7d3338 100644
--- a/src/embed_tests/Python.EmbeddingTest.csproj
+++ b/src/embed_tests/Python.EmbeddingTest.csproj
@@ -2,6 +2,8 @@
 
   <PropertyGroup>
     <TargetFrameworks>net472;netcoreapp3.1</TargetFrameworks>
+    <AssemblyOriginatorKeyFile>..\pythonnet.snk</AssemblyOriginatorKeyFile>
+    <SignAssembly>true</SignAssembly>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/runtime/Properties/AssemblyInfo.cs b/src/runtime/Properties/AssemblyInfo.cs
index 470488c02..3417bccc8 100644
--- a/src/runtime/Properties/AssemblyInfo.cs
+++ b/src/runtime/Properties/AssemblyInfo.cs
@@ -1,3 +1,3 @@
 using System.Runtime.CompilerServices;
 
-[assembly: InternalsVisibleTo("Python.EmbeddingTest")]
+[assembly: InternalsVisibleTo("Python.EmbeddingTest, PublicKey=00240000048000009400000006020000002400005253413100040000110000005ffd8f49fb44ab0641b3fd8d55e749f716e6dd901032295db641eb98ee46063cbe0d4a1d121ef0bc2af95f8a7438d7a80a3531316e6b75c2dae92fb05a99f03bf7e0c03980e1c3cfb74ba690aca2f3339ef329313bcc5dccced125a4ffdc4531dcef914602cd5878dc5fbb4d4c73ddfbc133f840231343e013762884d6143189")]
diff --git a/src/runtime/Python.Runtime.csproj b/src/runtime/Python.Runtime.csproj
index aa2ea4f91..ef530d69a 100644
--- a/src/runtime/Python.Runtime.csproj
+++ b/src/runtime/Python.Runtime.csproj
@@ -19,7 +19,10 @@
     <DebugSymbols>true</DebugSymbols>
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-    
+
+    <AssemblyOriginatorKeyFile>..\pythonnet.snk</AssemblyOriginatorKeyFile>
+    <SignAssembly>true</SignAssembly>
+
     <NoWarn>1591;NU1701</NoWarn>
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
 
@@ -31,7 +34,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <None Include="..\..\LICENSE" Pack="true" PackagePath=""/>
+    <None Include="..\..\LICENSE" Pack="true" PackagePath="" />
   </ItemGroup>
 
   <ItemGroup>