diff --git a/FormatWith/FormatWith-Release.snk b/FormatWith/FormatWith-Release.snk
new file mode 100644
index 0000000..00e7972
Binary files /dev/null and b/FormatWith/FormatWith-Release.snk differ
diff --git a/FormatWith/FormatWith.csproj b/FormatWith/FormatWith.csproj
index 954d538..91ab9b2 100644
--- a/FormatWith/FormatWith.csproj
+++ b/FormatWith/FormatWith.csproj
@@ -25,6 +25,9 @@
 		<RepositoryUrl>https://github.com/crozone/FormatWith</RepositoryUrl>
 		<RepositoryType>git</RepositoryType>
 		<PackageReleaseNotes>Key:format syntax now supported for FormatWith and FormattableWith</PackageReleaseNotes>
+		<SignAssembly>true</SignAssembly>
+		<AssemblyOriginatorKeyFile>FormatWith-Release.snk</AssemblyOriginatorKeyFile>
+		<DelaySign>false</DelaySign>
 	</PropertyGroup>
 
 	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">