diff --git a/Direct-Messaging-SDK-3.5 Unit Tests/packages.config b/Direct-Messaging-SDK-3.5 Unit Tests/packages.config
index a5bf8f9..ae24d65 100644
--- a/Direct-Messaging-SDK-3.5 Unit Tests/packages.config	
+++ b/Direct-Messaging-SDK-3.5 Unit Tests/packages.config	
@@ -2,6 +2,6 @@
 <packages>
   <package id="BouncyCastle" version="1.8.1" targetFramework="net35" />
   <package id="MimeKit" version="1.14.0" targetFramework="net35" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net35" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net35" />
   <package id="NUnit" version="3.10.1" targetFramework="net35" />
 </packages>
\ No newline at end of file
diff --git a/Direct-Messaging-SDK-3.5/packages.config b/Direct-Messaging-SDK-3.5/packages.config
index 7dc47f0..b8b658e 100644
--- a/Direct-Messaging-SDK-3.5/packages.config
+++ b/Direct-Messaging-SDK-3.5/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle" version="1.8.1" targetFramework="net35" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net35" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net35" />
   <package id="NUnit" version="3.10.1" targetFramework="net35" />
   <package id="NUnit3TestAdapter" version="3.10.0" targetFramework="net35" />
 </packages>
\ No newline at end of file
diff --git a/Direct-Messaging-SDK-4.6.1/packages.config b/Direct-Messaging-SDK-4.6.1/packages.config
index da28d2b..56bd0c7 100644
--- a/Direct-Messaging-SDK-4.6.1/packages.config
+++ b/Direct-Messaging-SDK-4.6.1/packages.config
@@ -2,6 +2,6 @@
 <packages>
   <package id="BouncyCastle" version="1.8.1" targetFramework="net461" />
   <package id="Microsoft.AspNet.WebApi.Client" version="5.2.6" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
   <package id="NUnit" version="3.10.1" targetFramework="net461" />
 </packages>
\ No newline at end of file