diff --git a/demo/frosting/build/Build.csproj b/demo/frosting/build/Build.csproj
index c8376099..a28a0100 100644
--- a/demo/frosting/build/Build.csproj
+++ b/demo/frosting/build/Build.csproj
@@ -7,6 +7,6 @@
   <ItemGroup>
     <PackageReference Include="Cake.BuildSystems.Module" Version="3.1.0" />
     <PackageReference Include="Cake.Frosting" Version="1.1.0" />
-    <PackageReference Include="JetBrains.Annotations" Version="2021.1.0" />
+    <PackageReference Include="JetBrains.Annotations" Version="2023.3.0" />
   </ItemGroup>
 </Project>