diff --git a/src/runtime/Python.Runtime.csproj b/src/runtime/Python.Runtime.csproj
index d839272dc..d88d05860 100644
--- a/src/runtime/Python.Runtime.csproj
+++ b/src/runtime/Python.Runtime.csproj
@@ -148,6 +148,7 @@
     <Compile Include="interop34.cs" />
     <Compile Include="interop35.cs" />
     <Compile Include="interop36.cs" />
+    <Compile Include="interop37.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="..\pythonnet.snk" />
diff --git a/src/runtime/runtime.cs b/src/runtime/runtime.cs
index 5938c8a9f..133557882 100644
--- a/src/runtime/runtime.cs
+++ b/src/runtime/runtime.cs
@@ -149,7 +149,7 @@ public class Runtime
 #elif PYTHON36
         internal const string _pyversion = "3.6";
         internal const string _pyver = "36";
-#elif PYTHON37 // TODO: Add `interop37.cs` after PY37 is released
+#elif PYTHON37
         internal const string _pyversion = "3.7";
         internal const string _pyver = "37";
 #else