diff --git a/server/src/FilterLists.Api/FilterLists.Api.csproj b/server/src/FilterLists.Api/FilterLists.Api.csproj
index 405322e62..9339c04c8 100644
--- a/server/src/FilterLists.Api/FilterLists.Api.csproj
+++ b/server/src/FilterLists.Api/FilterLists.Api.csproj
@@ -30,7 +30,7 @@
 
   <ItemGroup>
     <PackageReference Include="Humanizer.Core" Version="2.7.9" />
-    <PackageReference Include="JetBrains.Annotations" Version="2019.1.3" />
+    <PackageReference Include="JetBrains.Annotations" Version="2020.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Versioning" Version="4.1.1" />
     <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.8">
       <PrivateAssets>all</PrivateAssets>
diff --git a/server/src/FilterLists.Services/FilterLists.Services.csproj b/server/src/FilterLists.Services/FilterLists.Services.csproj
index 291b6ac85..1cb3d3f00 100644
--- a/server/src/FilterLists.Services/FilterLists.Services.csproj
+++ b/server/src/FilterLists.Services/FilterLists.Services.csproj
@@ -17,7 +17,7 @@
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="8.1.0" />
     <PackageReference Include="AutoMapper.Extensions.Microsoft.DependencyInjection" Version="6.1.0" />
-    <PackageReference Include="JetBrains.Annotations" Version="2019.1.3" />
+    <PackageReference Include="JetBrains.Annotations" Version="2020.1.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.8">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>