diff --git a/src/FilterLists.Api/FilterLists.Api.csproj b/src/FilterLists.Api/FilterLists.Api.csproj
index 3074eb052..b61a2729a 100644
--- a/src/FilterLists.Api/FilterLists.Api.csproj
+++ b/src/FilterLists.Api/FilterLists.Api.csproj
@@ -15,7 +15,7 @@
     <Folder Include="wwwroot\" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="JetBrains.Annotations" Version="10.4.0" />
+    <PackageReference Include="JetBrains.Annotations" Version="10.4.0" developmentDependency="true" />
     <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.0.0" />
     <PackageReference Include="Microsoft.AspNetCore" Version="1.1.1" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="1.1.2" />
diff --git a/src/FilterLists.Data/FilterLists.Data.csproj b/src/FilterLists.Data/FilterLists.Data.csproj
index a06b8640b..e585286b5 100644
--- a/src/FilterLists.Data/FilterLists.Data.csproj
+++ b/src/FilterLists.Data/FilterLists.Data.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="JetBrains.Annotations" Version="10.4.0" />
+    <PackageReference Include="JetBrains.Annotations" Version="10.4.0" developmentDependency="true" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="1.1.0" />
     <PackageReference Include="SapientGuardian.EntityFrameworkCore.MySql" Version="7.1.23" />
   </ItemGroup>