diff --git a/src/NuGet.Core/NuGet.Versioning/NuGetVersion.cs b/src/NuGet.Core/NuGet.Versioning/NuGetVersion.cs
index 76ba5f84436..9d1dffdb3a6 100644
--- a/src/NuGet.Core/NuGet.Versioning/NuGetVersion.cs
+++ b/src/NuGet.Core/NuGet.Versioning/NuGetVersion.cs
@@ -22,6 +22,7 @@ namespace NuGet.Versioning
     // Start - Chocolatey Specific Modification
     //////////////////////////////////////////////////////////
     [TypeConverter(typeof(NuGetVersionConverter))]
+    [Serializable]
     //////////////////////////////////////////////////////////
     // End - Chocolatey Specific Modification
     //////////////////////////////////////////////////////////
diff --git a/src/NuGet.Core/NuGet.Versioning/SemanticVersion.cs b/src/NuGet.Core/NuGet.Versioning/SemanticVersion.cs
index 5e11a30b0bf..aef7add1a4f 100644
--- a/src/NuGet.Core/NuGet.Versioning/SemanticVersion.cs
+++ b/src/NuGet.Core/NuGet.Versioning/SemanticVersion.cs
@@ -12,6 +12,7 @@ namespace NuGet.Versioning
     /// A strict SemVer implementation
     /// </summary>
     [TypeConverter(typeof(SemanticVersionConverter))]
+    [Serializable]
     public partial class SemanticVersion
     {
         // store as array to avoid enumerator allocations