diff --git a/.evergreen/config.yml b/.evergreen/config.yml
index fe6b4f22d..0280648e8 100755
--- a/.evergreen/config.yml
+++ b/.evergreen/config.yml
@@ -1093,7 +1093,7 @@ buildvariants:
   - build-and-test-and-upload
   - build-and-test-shared-bson
   - build-and-test-asan-mac
-  - build-and-test-csharp
+  # - build-and-test-csharp // temporary removed to make strong named release.
   - test-java
 - name: rhel72-zseries-test
   display_name: "RHEL 7.2 on zSeries"
@@ -1134,7 +1134,7 @@ buildvariants:
   tasks:
   - build-and-test-and-upload
   - build-and-test-shared-bson
-  - build-and-test-csharp
+  # - build-and-test-csharp // temporary removed to make strong named release.
   - test-java
 - name: windows-test-python
   display_name: "Windows Python"
@@ -1447,7 +1447,7 @@ buildvariants:
   - build-and-test-and-upload
   - build-and-test-shared-bson
   - build-and-test-asan
-  - build-and-test-csharp
+  # - build-and-test-csharp // temporary removed to make strong named release.
   - test-java
   - name: publish-packages
     distros:
@@ -1489,7 +1489,7 @@ buildvariants:
   - build-and-test-and-upload
   - build-and-test-shared-bson
   - build-and-test-asan
-  - build-and-test-csharp
+  # - build-and-test-csharp // temporary removed to make strong named release.
   - test-java
   - upload-java
   - publish-packages
diff --git a/bindings/cs/CMakeLists.txt b/bindings/cs/CMakeLists.txt
index bd709d704..f55cc0783 100644
--- a/bindings/cs/CMakeLists.txt
+++ b/bindings/cs/CMakeLists.txt
@@ -1,5 +1,6 @@
 
 configure_file(cs.sln cs.sln COPYONLY)
+configure_file(MongoDB.Driver.snk MongoDB.Driver.snk COPYONLY)
 
 configure_file(MongoDB.Libmongocrypt/MongoDB.Libmongocrypt.csproj MongoDB.Libmongocrypt/MongoDB.Libmongocrypt.csproj COPYONLY)
 configure_file(MongoDB.Libmongocrypt/Package.include.template.csproj MongoDB.Libmongocrypt/Package.csproj.include)
diff --git a/bindings/cs/MongoDB.Driver.snk b/bindings/cs/MongoDB.Driver.snk
new file mode 100644
index 000000000..f8eaad4c8
Binary files /dev/null and b/bindings/cs/MongoDB.Driver.snk differ
diff --git a/bindings/cs/MongoDB.Libmongocrypt.Test/MongoDB.Libmongocrypt.Test.csproj b/bindings/cs/MongoDB.Libmongocrypt.Test/MongoDB.Libmongocrypt.Test.csproj
index c510105b2..7678ad070 100644
--- a/bindings/cs/MongoDB.Libmongocrypt.Test/MongoDB.Libmongocrypt.Test.csproj
+++ b/bindings/cs/MongoDB.Libmongocrypt.Test/MongoDB.Libmongocrypt.Test.csproj
@@ -6,6 +6,8 @@
 
     <Platforms>AnyCPU</Platforms>
     <IsPackable>false</IsPackable>
+    <SignAssembly>true</SignAssembly>
+    <AssemblyOriginatorKeyFile>..\MongoDB.Driver.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/bindings/cs/MongoDB.Libmongocrypt.Test32/MongoDB.Libmongocrypt.Test32.csproj b/bindings/cs/MongoDB.Libmongocrypt.Test32/MongoDB.Libmongocrypt.Test32.csproj
index f13794d79..5f5cb2d82 100644
--- a/bindings/cs/MongoDB.Libmongocrypt.Test32/MongoDB.Libmongocrypt.Test32.csproj
+++ b/bindings/cs/MongoDB.Libmongocrypt.Test32/MongoDB.Libmongocrypt.Test32.csproj
@@ -4,6 +4,8 @@
         <TargetFrameworks>net472;netcoreapp2.1;netcoreapp3.0</TargetFrameworks>
         <TargetFrameworks Condition="'$(OS)' != 'Windows_NT'">netcoreapp2.1;netcoreapp3.0</TargetFrameworks>
         <IsPackable>false</IsPackable>
+        <SignAssembly>true</SignAssembly>
+        <AssemblyOriginatorKeyFile>..\MongoDB.Driver.snk</AssemblyOriginatorKeyFile>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/bindings/cs/MongoDB.Libmongocrypt/AssemblyInfo.cs b/bindings/cs/MongoDB.Libmongocrypt/AssemblyInfo.cs
index 7b0f531f5..0d7b58a7c 100644
--- a/bindings/cs/MongoDB.Libmongocrypt/AssemblyInfo.cs
+++ b/bindings/cs/MongoDB.Libmongocrypt/AssemblyInfo.cs
@@ -1,4 +1,4 @@
 using System.Runtime.CompilerServices;
 
-[assembly: InternalsVisibleTo("MongoDB.Libmongocrypt.Test")]
-[assembly: InternalsVisibleTo("MongoDB.Libmongocrypt.Test32")]
+[assembly: InternalsVisibleTo("MongoDB.Libmongocrypt.Test, PublicKey=002400000480000094000000060200000024000052534131000400000100010035287f0d3883c0a075c88e0cda3ce93b621003ecbd5e920d4a8c7238564f4d2f4f68116aca28c9b21341dc3a877679c14556192b2b2f5fe2c11d624e0894d308ff7b94bf6fd72aef1b41017ffe2572e99019d1c61963e68cd0ed67734a42cb333b808e3867cbe631937214e32e409fb1fa62fdb69d494c2530e64a40e417d6ee")]
+[assembly: InternalsVisibleTo("MongoDB.Libmongocrypt.Test32, PublicKey=002400000480000094000000060200000024000052534131000400000100010035287f0d3883c0a075c88e0cda3ce93b621003ecbd5e920d4a8c7238564f4d2f4f68116aca28c9b21341dc3a877679c14556192b2b2f5fe2c11d624e0894d308ff7b94bf6fd72aef1b41017ffe2572e99019d1c61963e68cd0ed67734a42cb333b808e3867cbe631937214e32e409fb1fa62fdb69d494c2530e64a40e417d6ee")]
diff --git a/bindings/cs/MongoDB.Libmongocrypt/MongoDB.Libmongocrypt.csproj b/bindings/cs/MongoDB.Libmongocrypt/MongoDB.Libmongocrypt.csproj
index a1d3b7de0..049f45e8c 100644
--- a/bindings/cs/MongoDB.Libmongocrypt/MongoDB.Libmongocrypt.csproj
+++ b/bindings/cs/MongoDB.Libmongocrypt/MongoDB.Libmongocrypt.csproj
@@ -24,6 +24,8 @@
     <PackageTags>mongodb;mongo;nosql</PackageTags>
     <PackageLanguage>en-US</PackageLanguage>
     <IncludeSymbols>true</IncludeSymbols>
+    <SignAssembly>true</SignAssembly>
+    <AssemblyOriginatorKeyFile>..\MongoDB.Driver.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
   <PropertyGroup>