diff --git a/lang/csharp/versions.props b/lang/csharp/versions.props
index d5793604958..093668af249 100644
--- a/lang/csharp/versions.props
+++ b/lang/csharp/versions.props
@@ -26,7 +26,7 @@
     !!! SHIPPED CLASS LIBRARIES SHOULD USE MINIMUMVERSIONs. SEE BELOW !!!
   -->
   <PropertyGroup Label="Latest Package Versions">
-    <NewtonsoftJsonVersion>12.0.3</NewtonsoftJsonVersion>
+    <NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
     <SystemCodeDomVersion>5.0.0</SystemCodeDomVersion>
     <SystemReflectionVersion>4.3.0</SystemReflectionVersion>
     <SystemReflectionEmitILGenerationVersion>4.7.0</SystemReflectionEmitILGenerationVersion>
@@ -41,7 +41,7 @@
     !!! ONLY UPDATE IF FUNCTIONALITY REQUIRES IT !!!
   -->
   <PropertyGroup Label="Minimum Package Versions">
-    <NewtonsoftJsonMinimumVersion>10.0.3</NewtonsoftJsonMinimumVersion>
+    <NewtonsoftJsonMinimumVersion>13.0.1</NewtonsoftJsonMinimumVersion>
     <SystemCodeDomMinimumVersion>4.4.0</SystemCodeDomMinimumVersion>
     <SystemReflectionMinimumVersion>4.3.0</SystemReflectionMinimumVersion>
     <SystemReflectionEmitILGenerationMinimumVersion>4.3.0</SystemReflectionEmitILGenerationMinimumVersion>