diff --git a/src/Tests/Tests.csproj b/src/Tests/Tests.csproj
index 9d53e32..592b7d1 100644
--- a/src/Tests/Tests.csproj
+++ b/src/Tests/Tests.csproj
@@ -7,7 +7,7 @@
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
     <PackageReference Include="Microsoft.Graph" Version="5.74.0" />
-    <PackageReference Include="Microsoft.Identity.Client" Version="4.70.0" />
+    <PackageReference Include="Microsoft.Identity.Client" Version="4.78.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.0.2" />