diff --git a/.travis.yml b/.travis.yml
index 3c816a530..91f820b79 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ git:
   depth: 10
 
 # ASF is based on .NET Core platform, we're not building with Mono
-dotnet: 3.0
+dotnet: 3.1
 mono: none
 
 env:
@@ -15,7 +15,7 @@ env:
     - CONFIGURATION: Release
     - DOTNET_CLI_TELEMETRY_OPTOUT: 1
     - DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
-    - NET_CORE_VERSION: netcoreapp3.0
+    - NET_CORE_VERSION: netcoreapp3.1
     - VARIANTS="generic linux-arm linux-x64 osx-x64 win-x64" # NOTE: When modifying variants, don't forget to update ASF_VARIANT definitions in SharedInfo.cs!
 before_script:
   - |
@@ -81,5 +81,5 @@ matrix:
       dist: bionic
     - os: osx
       # Ref: https://docs.travis-ci.com/user/reference/osx
-      dotnet: 3.0.100 # For OSX, we need absolute dotnet version until https://github.com/dotnet/core-setup/issues/4187 is resolved
+      dotnet: 3.1.100 # For OSX, we need absolute dotnet version until https://github.com/dotnet/core-setup/issues/4187 is resolved
       osx_image: xcode11.2
diff --git a/ArchiSteamFarm.CustomPlugins.ExamplePlugin/ArchiSteamFarm.CustomPlugins.ExamplePlugin.csproj b/ArchiSteamFarm.CustomPlugins.ExamplePlugin/ArchiSteamFarm.CustomPlugins.ExamplePlugin.csproj
index af807269f..b644ad2f9 100644
--- a/ArchiSteamFarm.CustomPlugins.ExamplePlugin/ArchiSteamFarm.CustomPlugins.ExamplePlugin.csproj
+++ b/ArchiSteamFarm.CustomPlugins.ExamplePlugin/ArchiSteamFarm.CustomPlugins.ExamplePlugin.csproj
@@ -18,11 +18,11 @@
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(OS)' == 'Windows_NT' OR '$(ASFNetFramework)' != ''">
-    <TargetFrameworks>netcoreapp3.0;net48</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net48</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(OS)' != 'Windows_NT' AND '$(ASFNetFramework)' == ''">
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)' == 'Release'">
diff --git a/ArchiSteamFarm.Tests/ArchiSteamFarm.Tests.csproj b/ArchiSteamFarm.Tests/ArchiSteamFarm.Tests.csproj
index 4189f8a29..e5ba7a3b1 100644
--- a/ArchiSteamFarm.Tests/ArchiSteamFarm.Tests.csproj
+++ b/ArchiSteamFarm.Tests/ArchiSteamFarm.Tests.csproj
@@ -19,11 +19,11 @@
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(OS)' == 'Windows_NT' OR '$(ASFNetFramework)' != ''">
-    <TargetFrameworks>netcoreapp3.0;net48</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net48</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(OS)' != 'Windows_NT' AND '$(ASFNetFramework)' == ''">
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)' == 'Release'">
diff --git a/ArchiSteamFarm/ArchiSteamFarm.csproj b/ArchiSteamFarm/ArchiSteamFarm.csproj
index d2f3c2326..3f28d5ddf 100644
--- a/ArchiSteamFarm/ArchiSteamFarm.csproj
+++ b/ArchiSteamFarm/ArchiSteamFarm.csproj
@@ -28,11 +28,11 @@
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(OS)' == 'Windows_NT' OR '$(ASFNetFramework)' != ''">
-    <TargetFrameworks>netcoreapp3.0;net48</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net48</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(OS)' != 'Windows_NT' AND '$(ASFNetFramework)' == ''">
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)' == 'Release'">
@@ -69,8 +69,8 @@
     </Reference>
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.0'">
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.0.0" />
+  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1'">
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.1.0" />
     <PackageReference Include="System.Security.Cryptography.ProtectedData" Version="4.7.0" />
   </ItemGroup>
 
diff --git a/Dockerfile.Service.arm b/Dockerfile.Service.arm
index 44e43ad3d..c70fdd31d 100644
--- a/Dockerfile.Service.arm
+++ b/Dockerfile.Service.arm
@@ -6,9 +6,9 @@ RUN echo "node: $(node --version)" && \
     npm ci && \
     npm run-script deploy
 
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build-dotnet
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build-dotnet
 ENV CONFIGURATION Release
-ENV NET_CORE_VERSION netcoreapp3.0
+ENV NET_CORE_VERSION netcoreapp3.1
 WORKDIR /app
 COPY --from=build-node /app/dist ASF-ui/dist
 COPY ArchiSteamFarm ArchiSteamFarm
@@ -22,7 +22,7 @@ RUN dotnet --info && \
     dotnet publish ArchiSteamFarm -c "$CONFIGURATION" -f "$NET_CORE_VERSION" -o 'out' /nologo /p:ASFVariant=generic /p:PublishTrimmed=false /p:UseAppHost=false && \
     cp "ArchiSteamFarm/overlay/generic/ArchiSteamFarm-Service.sh" "out/ArchiSteamFarm-Service.sh"
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim-arm32v7 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim-arm32v7 AS runtime
 ENV ASPNETCORE_URLS=
 LABEL maintainer="JustArchi <JustArchi@JustArchi.net>"
 EXPOSE 1242
diff --git a/Dockerfile.Service.x64 b/Dockerfile.Service.x64
index ea99ba475..4dac5d299 100644
--- a/Dockerfile.Service.x64
+++ b/Dockerfile.Service.x64
@@ -6,9 +6,9 @@ RUN echo "node: $(node --version)" && \
     npm ci && \
     npm run-script deploy
 
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build-dotnet
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build-dotnet
 ENV CONFIGURATION Release
-ENV NET_CORE_VERSION netcoreapp3.0
+ENV NET_CORE_VERSION netcoreapp3.1
 WORKDIR /app
 COPY --from=build-node /app/dist ASF-ui/dist
 COPY ArchiSteamFarm ArchiSteamFarm
@@ -22,7 +22,7 @@ RUN dotnet --info && \
     dotnet publish ArchiSteamFarm -c "$CONFIGURATION" -f "$NET_CORE_VERSION" -o 'out' /nologo /p:ASFVariant=generic /p:PublishTrimmed=false /p:UseAppHost=false && \
     cp "ArchiSteamFarm/overlay/generic/ArchiSteamFarm-Service.sh" "out/ArchiSteamFarm-Service.sh"
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim AS runtime
 ENV ASPNETCORE_URLS=
 LABEL maintainer="JustArchi <JustArchi@JustArchi.net>"
 EXPOSE 1242
diff --git a/Dockerfile.arm b/Dockerfile.arm
index cdf8fd4f7..2b818d437 100644
--- a/Dockerfile.arm
+++ b/Dockerfile.arm
@@ -6,9 +6,9 @@ RUN echo "node: $(node --version)" && \
     npm ci && \
     npm run-script deploy
 
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build-dotnet
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build-dotnet
 ENV CONFIGURATION Release
-ENV NET_CORE_VERSION netcoreapp3.0
+ENV NET_CORE_VERSION netcoreapp3.1
 WORKDIR /app
 COPY --from=build-node /app/dist ASF-ui/dist
 COPY ArchiSteamFarm ArchiSteamFarm
@@ -22,7 +22,7 @@ RUN dotnet --info && \
     dotnet publish ArchiSteamFarm -c "$CONFIGURATION" -f "$NET_CORE_VERSION" -o 'out' /nologo /p:ASFVariant=docker /p:PublishTrimmed=false /p:UseAppHost=false && \
     cp "ArchiSteamFarm/overlay/generic/ArchiSteamFarm.sh" "out/ArchiSteamFarm.sh"
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim-arm32v7 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim-arm32v7 AS runtime
 ENV ASPNETCORE_URLS=
 LABEL maintainer="JustArchi <JustArchi@JustArchi.net>"
 EXPOSE 1242
diff --git a/Dockerfile.x64 b/Dockerfile.x64
index e420dc523..e4c05976c 100644
--- a/Dockerfile.x64
+++ b/Dockerfile.x64
@@ -6,9 +6,9 @@ RUN echo "node: $(node --version)" && \
     npm ci && \
     npm run-script deploy
 
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build-dotnet
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build-dotnet
 ENV CONFIGURATION Release
-ENV NET_CORE_VERSION netcoreapp3.0
+ENV NET_CORE_VERSION netcoreapp3.1
 WORKDIR /app
 COPY --from=build-node /app/dist ASF-ui/dist
 COPY ArchiSteamFarm ArchiSteamFarm
@@ -22,7 +22,7 @@ RUN dotnet --info && \
     dotnet publish ArchiSteamFarm -c "$CONFIGURATION" -f "$NET_CORE_VERSION" -o 'out' /nologo /p:ASFVariant=docker /p:PublishTrimmed=false /p:UseAppHost=false && \
     cp "ArchiSteamFarm/overlay/generic/ArchiSteamFarm.sh" "out/ArchiSteamFarm.sh"
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim AS runtime
 ENV ASPNETCORE_URLS=
 LABEL maintainer="JustArchi <JustArchi@JustArchi.net>"
 EXPOSE 1242
diff --git a/appveyor.yml b/appveyor.yml
index 2fa4b2dd2..8adf2132d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,11 +9,11 @@ environment:
   CROWDIN_API_KEY:
     secure: oGuZaQo2z5/JkEYaKrD9Ing+TgwZ3qQVf+9Jdz73Fephy04z5rWPGCCtkjaMLTcY
   CROWDIN_PROJECT_IDENTIFIER: archisteamfarm
-  DOTNET_CHANNEL: 3.0
+  DOTNET_CHANNEL: 3.1
   DOTNET_CLI_TELEMETRY_OPTOUT: true
   DOTNET_INSTALL_DIR: C:\Program Files\dotnet
   DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
-  NET_CORE_VERSION: netcoreapp3.0
+  NET_CORE_VERSION: netcoreapp3.1
   NET_FRAMEWORK_VERSION: net48
   VARIANTS: generic generic-netf linux-arm linux-x64 osx-x64 win-x64 # NOTE: When modifying variants, don't forget to update ASF_VARIANT definitions in SharedInfo.cs!
 matrix:
diff --git a/cc.sh b/cc.sh
index bf2125827..4f0a41237 100755
--- a/cc.sh
+++ b/cc.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env sh
 set -eu
 
-TARGET_FRAMEWORK="netcoreapp3.0"
+TARGET_FRAMEWORK="netcoreapp3.1"
 
 MAIN_PROJECT="ArchiSteamFarm"
 TESTS_PROJECT="${MAIN_PROJECT}.Tests"