diff --git a/RadLibrary/RadLibrary.csproj b/RadLibrary/RadLibrary.csproj
index 5b900f3..14fef78 100644
--- a/RadLibrary/RadLibrary.csproj
+++ b/RadLibrary/RadLibrary.csproj
@@ -23,7 +23,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="JetBrains.Annotations" Version="2020.3.0" />
+    <PackageReference Include="JetBrains.Annotations" Version="2021.1.0" />
   </ItemGroup>
 
     <PropertyGroup>