diff --git a/src/EPR.PRN.ObligationCalculation.Function/EPR.PRN.ObligationCalculation.Function.csproj b/src/EPR.PRN.ObligationCalculation.Function/EPR.PRN.ObligationCalculation.Function.csproj
index f052bcc..90d1ab4 100644
--- a/src/EPR.PRN.ObligationCalculation.Function/EPR.PRN.ObligationCalculation.Function.csproj
+++ b/src/EPR.PRN.ObligationCalculation.Function/EPR.PRN.ObligationCalculation.Function.csproj
@@ -26,7 +26,7 @@
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     <PackageReference Include="Microsoft.Extensions.Http.Polly" Version="8.0.26" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="8.0.1" />
-    <PackageReference Include="Microsoft.Identity.Web" Version="4.9.0" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="4.13.0" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.23.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageReference Include="Polly" Version="8.6.6" />