diff --git a/JasonsMedRef.TestData/JasonsMedRef.TestData.csproj b/JasonsMedRef.TestData/JasonsMedRef.TestData.csproj
index e2a828c..bee6aa8 100644
--- a/JasonsMedRef.TestData/JasonsMedRef.TestData.csproj
+++ b/JasonsMedRef.TestData/JasonsMedRef.TestData.csproj
@@ -43,7 +43,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="SharpZipLib" Version="1.2.0" />
     <PackageReference Include="System.Dynamic.Runtime" Version="4.3.0" />
     <PackageReference Include="System.Reflection" Version="4.3.0" />
diff --git a/JasonsMedRef.TestTestData/JasonsMedRef.TestTestData.csproj b/JasonsMedRef.TestTestData/JasonsMedRef.TestTestData.csproj
index 73b2e8d..abcacb3 100644
--- a/JasonsMedRef.TestTestData/JasonsMedRef.TestTestData.csproj
+++ b/JasonsMedRef.TestTestData/JasonsMedRef.TestTestData.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup>