diff --git a/References/agg-sharp/AggVisualizers/packages.config b/References/agg-sharp/AggVisualizers/packages.config
index c54e093..d7b227b 100644
--- a/References/agg-sharp/AggVisualizers/packages.config
+++ b/References/agg-sharp/AggVisualizers/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net471" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net471" />
 </packages>
\ No newline at end of file
diff --git a/References/agg-sharp/GuiAutomation/GuiAutomation.csproj b/References/agg-sharp/GuiAutomation/GuiAutomation.csproj
index 033af55..a5751d4 100644
--- a/References/agg-sharp/GuiAutomation/GuiAutomation.csproj
+++ b/References/agg-sharp/GuiAutomation/GuiAutomation.csproj
@@ -11,7 +11,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/References/agg-sharp/PlatformWin32/PlatformWin32.csproj b/References/agg-sharp/PlatformWin32/PlatformWin32.csproj
index 71ad0ea..30bec13 100644
--- a/References/agg-sharp/PlatformWin32/PlatformWin32.csproj
+++ b/References/agg-sharp/PlatformWin32/PlatformWin32.csproj
@@ -34,7 +34,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/References/agg-sharp/VectorMath/VectorMath.csproj b/References/agg-sharp/VectorMath/VectorMath.csproj
index cde30ee..ad10c0e 100644
--- a/References/agg-sharp/VectorMath/VectorMath.csproj
+++ b/References/agg-sharp/VectorMath/VectorMath.csproj
@@ -14,7 +14,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
 </Project>
diff --git a/References/agg-sharp/agg/Agg.csproj b/References/agg-sharp/agg/Agg.csproj
index 54d4936..a0f661b 100644
--- a/References/agg-sharp/agg/Agg.csproj
+++ b/References/agg-sharp/agg/Agg.csproj
@@ -18,7 +18,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="System.Buffers" Version="4.5.0" />
   </ItemGroup>