diff --git a/src/DocumentDB.ChangeFeedProcessor.UnitTests/DocumentDB.ChangeFeedProcessor.UnitTests.csproj b/src/DocumentDB.ChangeFeedProcessor.UnitTests/DocumentDB.ChangeFeedProcessor.UnitTests.csproj
index 3107233..82a0d90 100644
--- a/src/DocumentDB.ChangeFeedProcessor.UnitTests/DocumentDB.ChangeFeedProcessor.UnitTests.csproj
+++ b/src/DocumentDB.ChangeFeedProcessor.UnitTests/DocumentDB.ChangeFeedProcessor.UnitTests.csproj
@@ -14,7 +14,7 @@
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-    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
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     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
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diff --git a/src/DocumentDB.ChangeFeedProcessor/DocumentDB.ChangeFeedProcessor.csproj b/src/DocumentDB.ChangeFeedProcessor/DocumentDB.ChangeFeedProcessor.csproj
index 3f98dfa..7dd34a0 100644
--- a/src/DocumentDB.ChangeFeedProcessor/DocumentDB.ChangeFeedProcessor.csproj
+++ b/src/DocumentDB.ChangeFeedProcessor/DocumentDB.ChangeFeedProcessor.csproj
@@ -57,7 +57,7 @@
   
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