diff --git a/FrejaEidClient/FrejaEidClient.csproj b/FrejaEidClient/FrejaEidClient.csproj
index f9a44c9..c962eae 100644
--- a/FrejaEidClient/FrejaEidClient.csproj
+++ b/FrejaEidClient/FrejaEidClient.csproj
@@ -15,6 +15,6 @@
     <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.8">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/FrejaEidClientTest/FrejaEidClientTest.csproj b/FrejaEidClientTest/FrejaEidClientTest.csproj
index 4e1fe7f..445fa02 100644
--- a/FrejaEidClientTest/FrejaEidClientTest.csproj
+++ b/FrejaEidClientTest/FrejaEidClientTest.csproj
@@ -18,7 +18,7 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="Moq" Version="4.13.1" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
   <ItemGroup>
     <None Include="Resources\certificates\validServerCertificate.cer" />