diff --git a/src/ServerlessPersistence/ServerlessPersistence.csproj b/src/ServerlessPersistence/ServerlessPersistence.csproj
index 9921098..631fa0e 100644
--- a/src/ServerlessPersistence/ServerlessPersistence.csproj
+++ b/src/ServerlessPersistence/ServerlessPersistence.csproj
@@ -8,7 +8,7 @@
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.Storage.Blobs" Version="5.0.1" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.Tables" Version="1.0.0" />
     <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="4.1.3" />
-    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.CosmosDB" Version="3.0.10" />
+    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.CosmosDB" Version="4.0.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Extensions" Version="1.1.0" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.DurableTask" Version="2.8.0" />
   </ItemGroup>