diff --git a/Dockerfile b/Dockerfile
index 30cd1452c9..58e5e81f25 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,64 +1,25 @@
-FROM ubuntu:18.04 as build
+FROM ubuntu:20.04 as build
+
+ENV DEBIAN_FRONTEND=noninteractive
 
 RUN apt-get update && \
     apt-get install -y \
-        binutils-mips-linux-gnu \
-        build-essential \
-        pkg-config \
-        python3 \
-	python3-pip \
-        wget \
-	git \
-	unzip \
-	nano \
-	libcapstone-dev \
-	libyaml-dev \
-	zlib1g-dev \
-	vbindiff \
-	bison \
-	flex \
-	texinfo
+      astyle \
+      binutils-mips-linux-gnu \
+      build-essential \
+      git \
+      less \
+      libglib2.0 \
+      python3 \
+      python3-pip \
+      unzip \
+      wget
 
+RUN python3 -m pip install \
+      attrs capstone lark pyyaml pycparser \
+      colorama ansiwrap watchdog python-Levenshtein cxxfilt \
+      python-ranges \
+      pypng
 
-# Install qemu-irix
-RUN wget \
-        https://github.com/n64decomp/qemu-irix/releases/download/v2.11-deb/qemu-irix-2.11.0-2169-g32ab296eef_amd64.deb \
-        -O qemu.deb && \
-    echo 8170f37cf03a08cc2d7c1c58f10d650ea0d158f711f6916da9364f6d8c85f741 qemu.deb | sha256sum --check && \
-    dpkg -i qemu.deb && \
-    rm qemu.deb
-
-
-# Build binutils
-RUN wget https://ftp.gnu.org/gnu/binutils/binutils-2.34.tar.bz2 -O binutils.tar.bz2
-RUN tar xjf binutils.tar.bz2
-RUN mkdir -p /opt/cross
-
-# mips-linux-gnu
-RUN mkdir build-binutils && cd build-binutils
-RUN /binutils-2.34/configure --target=mips-linux-gnu --prefix=/opt/cross --disable-gprof --disable-gdb --disable-werror
-RUN make && make install
-
-# mips-sgi-irix5
-RUN make distclean
-RUN /binutils-2.34/configure --target=mips-sgi-irix5 --prefix=/opt/cross --disable-gprof --disable-gdb --disable-werror
-RUN make && make install
-
-RUN rm binutils.tar.bz2
-ENV PATH="/opt/cross/bin:${PATH}"
-
-
-# Install python dependencies
-RUN python3 -m pip install --user colorama ansiwrap attrs watchdog python-Levenshtein
-
-
-# Build capstone
-RUN git clone https://github.com/aquynh/capstone.git && \
-    cd capstone && \
-    git checkout tags/4.0 && \
-    ./make.sh && \
-    ./make.sh install
-
-
-RUN mkdir /pm
-WORKDIR /pm
+RUN mkdir /papermario
+WORKDIR /papermario