diff --git a/src/Discord.Net.Core/Discord.Net.Core.csproj b/src/Discord.Net.Core/Discord.Net.Core.csproj
index f3aeac0c0..582f34d80 100644
--- a/src/Discord.Net.Core/Discord.Net.Core.csproj
+++ b/src/Discord.Net.Core/Discord.Net.Core.csproj
@@ -20,13 +20,13 @@
     <PackageReference Include="System.Collections.Concurrent" Version="4.3.0" />
     <PackageReference Include="System.Collections.Immutable" Version="1.3.0" />
     <PackageReference Include="System.Interactive.Async" Version="3.1.0" />
-    <PackageReference Include="System.Linq" Version="4.1.0" />
-    <PackageReference Include="System.Linq.Expressions" Version="4.1.0" />
+    <PackageReference Include="System.Linq" Version="4.3.0" />
+    <PackageReference Include="System.Linq.Expressions" Version="4.3.0" />
     <PackageReference Include="System.Net.Http" Version="4.3.0" />
-    <PackageReference Include="System.Reflection" Version="4.1.0" />
+    <PackageReference Include="System.Reflection" Version="4.3.0" />
     <PackageReference Include="System.Resources.ResourceManager" Version="4.3.0" />
-    <PackageReference Include="System.Runtime" Version="4.1.0" />
-    <PackageReference Include="System.Runtime.Serialization.Primitives" Version="4.1.1" />
+    <PackageReference Include="System.Runtime" Version="4.3.0" />
+    <PackageReference Include="System.Runtime.Serialization.Primitives" Version="4.3.0" />
   </ItemGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
     <NoWarn>$(NoWarn);CS1573;CS1591</NoWarn>