diff --git a/SharpMap.Converters.GeoJSON/SharpMap.Converters.GeoJSON.csproj b/SharpMap.Converters.GeoJSON/SharpMap.Converters.GeoJSON.csproj
index d1d888c6..0eda2483 100644
--- a/SharpMap.Converters.GeoJSON/SharpMap.Converters.GeoJSON.csproj
+++ b/SharpMap.Converters.GeoJSON/SharpMap.Converters.GeoJSON.csproj
@@ -13,7 +13,7 @@
 
     <ItemGroup>
         <PackageReference Include="GeoAPI.Core" Version="1.7.5" />
-        <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/SharpMap.Web/SharpMap.Web.csproj b/SharpMap.Web/SharpMap.Web.csproj
index f1e4a0e5..f6aafd6e 100644
--- a/SharpMap.Web/SharpMap.Web.csproj
+++ b/SharpMap.Web/SharpMap.Web.csproj
@@ -13,7 +13,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+      <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/UnitTests/UnitTests.csproj b/UnitTests/UnitTests.csproj
index 0b6293ef..e8fec041 100644
--- a/UnitTests/UnitTests.csproj
+++ b/UnitTests/UnitTests.csproj
@@ -25,7 +25,7 @@
 
     <ItemGroup>
         <PackageReference Include="BruTile.MbTiles" Version="2.1.2" />
-        <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
         <PackageReference Include="Npgsql" Version="4.0.10" />
         <PackageReference Include="NUnit" Version="3.12.0" />
         <PackageReference Include="Moq" Version="4.2.1312.1319" />