diff --git a/Dockerfile b/Dockerfile
index 0f6b47cd..855737a1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,13 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:2.2-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1-alpine AS build
 
 WORKDIR /app
 COPY . /app
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/runtime:2.2-alpine
+# TODO: is using aspnet correct here? Required for API but might break Bot
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-alpine
 WORKDIR /app
-COPY --from=build /app/PluralKit.*/out ./
+COPY --from=build /app/PluralKit.*/bin/Release/netcoreapp3.1 ./
 
 ENTRYPOINT ["dotnet"]
 CMD ["PluralKit.Bot.dll"]
diff --git a/PluralKit.API/PluralKit.API.csproj b/PluralKit.API/PluralKit.API.csproj
index 14117b0e..4f1a137e 100644
--- a/PluralKit.API/PluralKit.API.csproj
+++ b/PluralKit.API/PluralKit.API.csproj
@@ -1,16 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>netcoreapp2.2</TargetFramework>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
     </PropertyGroup>
 
-    <ItemGroup>
-        <PackageReference Include="Microsoft.AspNetCore" Version="2.2.0" />
-        <PackageReference Include="Microsoft.AspNetCore.Cors" Version="2.2.0" />
-        <PackageReference Include="Microsoft.AspNetCore.HttpsPolicy" Version="2.2.0" />
-        <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.2.0" />
-    </ItemGroup>
-
     <ItemGroup>
       <ProjectReference Include="..\PluralKit.Core\PluralKit.Core.csproj" />
     </ItemGroup>
@@ -19,4 +12,8 @@
       <_ContentIncludedByDefault Remove="Properties\launchSettings.json" />
     </ItemGroup>
 
+    <ItemGroup>
+      <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.1.0" />
+    </ItemGroup>
+
 </Project>
diff --git a/PluralKit.API/Startup.cs b/PluralKit.API/Startup.cs
index afa3ff9a..2547697e 100644
--- a/PluralKit.API/Startup.cs
+++ b/PluralKit.API/Startup.cs
@@ -1,9 +1,9 @@
-using App.Metrics;
-using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
 
 namespace PluralKit.API
 {
@@ -20,9 +20,10 @@ namespace PluralKit.API
         public void ConfigureServices(IServiceCollection services)
         {
             services.AddCors();
-            services.AddMvc(opts => { })
-                .SetCompatibilityVersion(CompatibilityVersion.Version_2_2)
-                .AddJsonOptions(opts => { opts.SerializerSettings.BuildSerializerSettings(); });
+            services.AddControllers()
+                .SetCompatibilityVersion(CompatibilityVersion.Latest)
+                .AddNewtonsoftJson();
+                // .AddJsonOptions(opts => { opts.SerializerSettings.BuildSerializerSettings(); });
 
             services
                 .AddTransient<IDataStore, PostgresDataStore>()
@@ -39,7 +40,7 @@ namespace PluralKit.API
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
-        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
         {
             if (env.IsDevelopment())
             {
@@ -54,7 +55,9 @@ namespace PluralKit.API
             //app.UseHttpsRedirection();
             app.UseCors(opts => opts.AllowAnyMethod().AllowAnyOrigin().WithHeaders("Content-Type", "Authorization"));
             app.UseMiddleware<TokenAuthService>();
-            app.UseMvc();
+            
+            app.UseRouting();
+            app.UseEndpoints(endpoints => endpoints.MapControllers());
         }
     }
 }
\ No newline at end of file
diff --git a/PluralKit.Bot/PluralKit.Bot.csproj b/PluralKit.Bot/PluralKit.Bot.csproj
index a8244a45..85e73d99 100644
--- a/PluralKit.Bot/PluralKit.Bot.csproj
+++ b/PluralKit.Bot/PluralKit.Bot.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>netcoreapp2.2</TargetFramework>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/PluralKit.Core/PluralKit.Core.csproj b/PluralKit.Core/PluralKit.Core.csproj
index 566aeace..9d558647 100644
--- a/PluralKit.Core/PluralKit.Core.csproj
+++ b/PluralKit.Core/PluralKit.Core.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>netcoreapp2.2</TargetFramework>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>