diff --git a/linux-fresh/Dockerfile b/linux-fresh/Dockerfile
index ff6ead8..edbaf97 100644
--- a/linux-fresh/Dockerfile
+++ b/linux-fresh/Dockerfile
@@ -1,41 +1,70 @@
-FROM ubuntu:20.04
+FROM ubuntu:18.04
 MAINTAINER yuzu
+
+ENV CMAKE_VER=3.16.3
+ENV GCC_VER=10
+ENV QT_PKG_VER=512
+ENV QT_VER=5.12.6
+ENV UBUNTU_VER=bionic
+
 # Create a user account yuzu (UID 1027) that the container will run as
 RUN useradd -m -u 1027 -s /bin/bash yuzu && \
     DEBIAN_FRONTEND=noninteractive apt-get update && apt-get -y full-upgrade && \
     DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends -y \
     build-essential \
-    gcc-10 \
-    g++-10 \
-    glslang-tools \
-    libavcodec-dev \
-    libavutil-dev \
-    libswscale-dev \
+    ccache \
+    file \
+    git \
     liblz4-dev \
     libopus-dev \
-    libsdl2-dev \
     libssl-dev \
     libzip-dev \
     libzstd-dev \
-    zlib1g-dev \
-    python \
+    ninja-build \
     python3-pip \
-    qtbase5-dev \
-    qtbase5-private-dev \
-    qttools5-dev \
-    qtwebengine5-dev \
-    libqt5opengl5-dev \
+    python3-setuptools \
+    software-properties-common \
+    unzip \
     wget \
-    git \
-    ccache \
-    cmake \
-    ninja-build && \
+    zlib1g-dev && \
     pip3 install conan
-RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 10 && \
-    update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-10 10
-RUN apt-get clean autoclean && \
+# Install updated versions of FFmpeg, GCC, Qt, and SDL2 from launchpad repositories
+RUN add-apt-repository -y ppa:beineri/opt-qt-${QT_VER}-${UBUNTU_VER} && \
+    add-apt-repository -y ppa:cybermax-dexter/sdl2-backport && \
+    add-apt-repository -y ppa:jonathonf/ffmpeg-4 && \
+    add-apt-repository -y ppa:ubuntu-toolchain-r/test && \
+    apt-get update -y && \
+    DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends -y \
+    g++-${GCC_VER} \
+    gcc-${GCC_VER} \
+    libavcodec-dev \
+    libavutil-dev \
+    libsdl2-dev \
+    libswscale-dev \
+    qt${QT_PKG_VER}base \
+    qt${QT_PKG_VER}tools \
+    qt${QT_PKG_VER}webengine && \
+    update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${GCC_VER} ${GCC_VER} && \
+    update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-${GCC_VER} ${GCC_VER} && \
+    apt-get clean autoclean && \
     apt-get autoremove --yes && \
     rm -rf /var/lib/apt /var/lib/dpkg /var/lib/cache /var/lib/log
+# Install glslangValidator from upstream
+# glslangValidator is not available from Ubuntu's Bionic repositories.
+RUN cd /tmp && \
+    wget https://github.com/KhronosGroup/glslang/releases/download/master-tot/glslang-master-linux-Release.zip && \
+    unzip glslang-master-linux-Release.zip -d /usr && \
+    rm -v glslang-master-linux-Release.zip
+# Install CMake from upstream
+# yuzu requires CMake version 3.15, however Ubuntu only provides 3.10 to Bionic.
+RUN cd /tmp && \
+    wget https://github.com/Kitware/CMake/releases/download/v${CMAKE_VER}/cmake-${CMAKE_VER}-Linux-x86_64.tar.gz && \
+    tar xvf cmake-${CMAKE_VER}-Linux-x86_64.tar.gz && \
+    cp -rv cmake-${CMAKE_VER}-Linux-x86_64/* /usr && \
+    rm -rf cmake-*
+# Setup paths for Qt binaries
+ENV LD_LIBRARY_PATH=/opt/qt${QT_PKG_VER}/lib:${LD_LIBRARY_PATH}
+ENV PATH=/opt/qt${QT_PKG_VER}/bin:${PATH}
 USER 1027
 RUN conan install boost/1.73.0@ -s compiler.libcxx=libstdc++11 --build=missing && \
     conan install catch2/2.13.0@ -s compiler.libcxx=libstdc++11 --build=missing && \