diff --git a/src/X.Spectator/X.Spectator.csproj b/src/X.Spectator/X.Spectator.csproj
index 68aceaa..fd8244a 100644
--- a/src/X.Spectator/X.Spectator.csproj
+++ b/src/X.Spectator/X.Spectator.csproj
@@ -21,7 +21,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="JetBrains.Annotations" Version="2021.3.0" />
+      <PackageReference Include="JetBrains.Annotations" Version="2023.3.0" />
       <PackageReference Include="System.Collections.Immutable" Version="8.0.0" />
     </ItemGroup>