diff --git a/eng/Versions.props b/eng/Versions.props
index 3d785b920416..caeeefe8ccb4 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -71,7 +71,7 @@
     <XUnitPackageVersion>2.4.1</XUnitPackageVersion>
     <TraceEventPackageVersion>2.0.5</TraceEventPackageVersion>
     <MicrosoftDotNetUapTestToolsPackageVersion>1.0.31</MicrosoftDotNetUapTestToolsPackageVersion>
-    <NewtonsoftJsonPackageVersion>12.0.1</NewtonsoftJsonPackageVersion>
+    <NewtonsoftJsonPackageVersion>13.0.1</NewtonsoftJsonPackageVersion>
     <MicrosoftDotNetPlatformAbstractionsPackageVersion>3.0.0-preview6-27804-01</MicrosoftDotNetPlatformAbstractionsPackageVersion>
     <!-- Test data -->
     <SystemIOCompressionTestDataPackageVersion>5.0.0-beta.20105.1</SystemIOCompressionTestDataPackageVersion>
diff --git a/src/System.Text.Json/tests/JsonDocumentTests.cs b/src/System.Text.Json/tests/JsonDocumentTests.cs
index 0915aa9d2e0c..f1a7402aa7e7 100644
--- a/src/System.Text.Json/tests/JsonDocumentTests.cs
+++ b/src/System.Text.Json/tests/JsonDocumentTests.cs
@@ -556,7 +556,7 @@ private static void ParseJson(
 
                     using (var stream = new MemoryStream(dataUtf8))
                     using (var streamReader = new StreamReader(stream, Encoding.UTF8, false, 1024, true))
-                    using (JsonTextReader jsonReader = new JsonTextReader(streamReader))
+                    using (JsonTextReader jsonReader = new JsonTextReader(streamReader) { MaxDepth = null })
                     {
                         JToken jToken = JToken.ReadFrom(jsonReader);
 
@@ -3662,7 +3662,7 @@ private static string GetCompactJson(TestCaseType testCaseType, string jsonStrin
                 return existing;
             }
 
-            using (JsonTextReader jsonReader = new JsonTextReader(new StringReader(jsonString)))
+            using (JsonTextReader jsonReader = new JsonTextReader(new StringReader(jsonString)) { MaxDepth = null })
             {
                 jsonReader.FloatParseHandling = FloatParseHandling.Decimal;
                 JToken jtoken = JToken.ReadFrom(jsonReader);
diff --git a/src/System.Text.Json/tests/JsonTestHelper.cs b/src/System.Text.Json/tests/JsonTestHelper.cs
index 739f3ba07991..9f9540781af4 100644
--- a/src/System.Text.Json/tests/JsonTestHelper.cs
+++ b/src/System.Text.Json/tests/JsonTestHelper.cs
@@ -29,7 +29,7 @@ internal static class JsonTestHelper
         public static string NewtonsoftReturnStringHelper(TextReader reader)
         {
             var sb = new StringBuilder();
-            var json = new JsonTextReader(reader);
+            var json = new JsonTextReader(reader) { MaxDepth = null };
             while (json.Read())
             {
                 if (json.Value != null)
@@ -345,7 +345,7 @@ public static string InsertCommentsEverywhere(string jsonString)
             {
                 writer.Formatting = Formatting.Indented;
 
-                var newtonsoft = new JsonTextReader(new StringReader(jsonString));
+                var newtonsoft = new JsonTextReader(new StringReader(jsonString)) { MaxDepth = null };
                 writer.WriteComment("comment");
                 while (newtonsoft.Read())
                 {
@@ -359,7 +359,7 @@ public static string InsertCommentsEverywhere(string jsonString)
 
         public static List<JsonTokenType> GetTokenTypes(string jsonString)
         {
-            var newtonsoft = new JsonTextReader(new StringReader(jsonString));
+            var newtonsoft = new JsonTextReader(new StringReader(jsonString)) { MaxDepth = null };
             int totalReads = 0;
             while (newtonsoft.Read())
             {
@@ -370,7 +370,7 @@ public static List<JsonTokenType> GetTokenTypes(string jsonString)
 
             for (int i = 0; i < totalReads; i++)
             {
-                newtonsoft = new JsonTextReader(new StringReader(jsonString));
+                newtonsoft = new JsonTextReader(new StringReader(jsonString)) { MaxDepth = null };
                 for (int j = 0; j < i; j++)
                 {
                     Assert.True(newtonsoft.Read());
@@ -690,7 +690,7 @@ public static decimal NextDecimal(Random random, double minValue, double maxValu
 
         public static string GetCompactString(string jsonString)
         {
-            using (JsonTextReader jsonReader = new JsonTextReader(new StringReader(jsonString)))
+            using (JsonTextReader jsonReader = new JsonTextReader(new StringReader(jsonString)) { MaxDepth = null })
             {
                 jsonReader.FloatParseHandling = FloatParseHandling.Decimal;
                 JToken jtoken = JToken.ReadFrom(jsonReader);
diff --git a/src/System.Text.Json/tests/Utf8JsonReaderTests.TryGet.cs b/src/System.Text.Json/tests/Utf8JsonReaderTests.TryGet.cs
index b8bd527cad11..72a561b422e6 100644
--- a/src/System.Text.Json/tests/Utf8JsonReaderTests.TryGet.cs
+++ b/src/System.Text.Json/tests/Utf8JsonReaderTests.TryGet.cs
@@ -1026,7 +1026,7 @@ public static void TestingGetString(string jsonString)
             var expectedPropertyNames = new List<string>();
             var expectedValues = new List<string>();
 
-            var jsonNewtonsoft = new JsonTextReader(new StringReader(jsonString));
+            var jsonNewtonsoft = new JsonTextReader(new StringReader(jsonString)) { MaxDepth = null };
             while (jsonNewtonsoft.Read())
             {
                 if (jsonNewtonsoft.TokenType == JsonToken.String)