diff --git a/appveyor.yml b/appveyor.yml
index 369eec1e..0b92b20e 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -10,7 +10,7 @@ environment:
       BUILD_TARGET: macos
     - APPVEYOR_BUILD_WORKER_IMAGE: Ubuntu1604
       BUILD_TARGET: steamlink
-    - APPVEYOR_BUILD_WORKER_IMAGE: Ubuntu1604
+    - APPVEYOR_BUILD_WORKER_IMAGE: Ubuntu
       BUILD_TARGET: linux
       FFMPEG_CONFIGURE_ARGS: --enable-pic --disable-static --enable-shared --disable-all --enable-avcodec --enable-decoder=h264 --enable-decoder=hevc --enable-nvdec --enable-hwaccel=h264_nvdec --enable-hwaccel=hevc_nvdec --enable-hwaccel=h264_vaapi --enable-hwaccel=hevc_vaapi --enable-hwaccel=h264_vdpau --enable-hwaccel=hevc_vdpau
 
@@ -19,9 +19,9 @@ install:
   - sh: '[ "$BUILD_TARGET" != macos ] || npm install --global create-dmg'
   - sh: '[ "$BUILD_TARGET" != steamlink ] || sudo apt install -y libc6:i386 libstdc++6:i386'
   - sh: '[ "$BUILD_TARGET" != steamlink ] || git clone --depth=1 https://github.com/ValveSoftware/steamlink-sdk.git $HOME/steamlink-sdk'
-  - sh: '[ "$BUILD_TARGET" != linux ] || sudo add-apt-repository ppa:beineri/opt-qt-5.14.2-xenial'
+  - sh: '[ "$BUILD_TARGET" != linux ] || sudo add-apt-repository ppa:beineri/opt-qt-5.15.2-bionic'
   - sh: '[ "$BUILD_TARGET" != linux ] || sudo apt update || true'
-  - sh: '[ "$BUILD_TARGET" != linux ] || sudo apt install -y qt514base qt514quickcontrols2 qt514svg qt514wayland nasm libgbm-dev libdrm-dev libfreetype6-dev libasound2-dev libdbus-1-dev libegl1-mesa-dev libgl1-mesa-dev libgles2-mesa-dev libglu1-mesa-dev libibus-1.0-dev libpulse-dev libudev-dev libx11-dev libxcursor-dev libxext-dev libxi-dev libxinerama-dev libxkbcommon-dev libxrandr-dev libxss-dev libxt-dev libxv-dev libxxf86vm-dev wayland-protocols libopus-dev libvdpau-dev'
+  - sh: '[ "$BUILD_TARGET" != linux ] || sudo apt install -y qt515base qt515quickcontrols2 qt515svg qt515wayland nasm libgbm-dev libdrm-dev libfreetype6-dev libasound2-dev libdbus-1-dev libegl1-mesa-dev libgl1-mesa-dev libgles2-mesa-dev libglu1-mesa-dev libibus-1.0-dev libpulse-dev libudev-dev libx11-dev libxcursor-dev libxext-dev libxi-dev libxinerama-dev libxkbcommon-dev libxrandr-dev libxss-dev libxt-dev libxv-dev libxxf86vm-dev wayland-protocols libopus-dev libvdpau-dev'
   - sh: 'if [[ "$BUILD_TARGET" = linux ]]; then export SDL2_REV=dfa64eadd38a6a8125290dcf121f1bc285e98dad && git clone https://github.com/libsdl-org/SDL.git SDL2 && cd SDL2 && git checkout $SDL2_REV && ./configure --enable-video-kmsdrm && make -j$(nproc) && sudo make install && cd ..; fi'
   - sh: 'if [[ "$BUILD_TARGET" = linux ]]; then export SDL2_TTF_VER=2.0.15 && wget https://www.libsdl.org/projects/SDL_ttf/release/SDL2_ttf-$SDL2_TTF_VER.tar.gz && tar -xvf SDL2_ttf-$SDL2_TTF_VER.tar.gz && cd SDL2_ttf-$SDL2_TTF_VER && ./configure && make -j$(nproc) && sudo make install && cd ..; fi'
   - sh: 'if [[ "$BUILD_TARGET" = linux ]]; then export LIBVA_VER=2.11.0 && git clone https://github.com/intel/libva.git && cd libva && git checkout $LIBVA_VER && ./autogen.sh && ./configure && make -j$(nproc) && sudo make install && cd ..; fi'
@@ -43,7 +43,7 @@ build_script:
   - cmd: 'set PATH=%OLDPATH%;%QTDIR%\msvc2019\bin;%ProgramFiles(x86)%\WiX Toolset v3.11\bin'
   - cmd: 'scripts\build-arch.bat Release x86'
   - cmd: 'scripts\generate-bundle.bat Release'
-  - sh: '[ "$BUILD_TARGET" != linux ] || source /opt/qt514/bin/qt514-env.sh'
+  - sh: '[ "$BUILD_TARGET" != linux ] || source /opt/qt515/bin/qt515-env.sh'
   - sh: '[ "$BUILD_TARGET" != linux ] || PATH=$PATH:$HOME/bin scripts/build-appimage.sh'
   - sh: '[ "$BUILD_TARGET" != macos ] || PATH=$PATH:$HOME/Qt/5.15/clang_64/bin scripts/generate-dmg.sh Release'
   - sh: '[ "$BUILD_TARGET" != steamlink ] || STEAMLINK_SDK_PATH=$HOME/steamlink-sdk scripts/build-steamlink-app.sh'