diff --git a/src/runtime/Python.Runtime.15.csproj b/src/runtime/Python.Runtime.15.csproj
index 2376f912e..d1e959196 100644
--- a/src/runtime/Python.Runtime.15.csproj
+++ b/src/runtime/Python.Runtime.15.csproj
@@ -123,7 +123,7 @@
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="System.Security.Permissions" Version="4.4.0" />
-    <PackageReference Include="System.Reflection.Emit" Version="4.3.0" />
+    <PackageReference Include="System.Reflection.Emit" Version="4.7.0" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net40'">
diff --git a/src/runtime/polyfill/ReflectionPolifills.cs b/src/runtime/polyfill/ReflectionPolifills.cs
index b9ce78d63..b8bc7ea3e 100644
--- a/src/runtime/polyfill/ReflectionPolifills.cs
+++ b/src/runtime/polyfill/ReflectionPolifills.cs
@@ -16,7 +16,7 @@ public static AssemblyBuilder DefineDynamicAssembly(this AppDomain appDomain, As
 
         public static Type CreateType(this TypeBuilder typeBuilder)
         {
-            return typeBuilder.GetTypeInfo().GetType();
+            return typeBuilder.CreateTypeInfo();
         }
 #endif
         public static T GetCustomAttribute<T>(this Type type) where T: Attribute