diff --git a/Dockerfile b/Dockerfile
index 1146ecc..cdf4874 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,21 +1,14 @@
-FROM ubuntu:18.10
+FROM ubuntu:22.04
 
 LABEL Maintainer="James Hiebert <hiebert@uvic.ca>"
 
-# WARNING: This should be removed with the introduction of 20.04
-RUN sed -i 's/archive.ubuntu.com/old-releases.ubuntu.com/g;s/security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list
+ARG DEBIAN_FRONTEND=noninteractive
 
-RUN apt-get update && \
-    apt-get -yq install \
+RUN apt-get update && apt-get install -yq \
     libhdf5-dev \
     libnetcdf-dev \
-    libgdal-dev \
     libyaml-dev \
-    python \
-    python-dev \
-    python-pip \
-    python-virtualenv \
-    cython \
+    libgdal-dev \
     python3 \
     python3-dev \
     python3-pip \
@@ -25,10 +18,8 @@ RUN apt-get update && \
 ENV CPLUS_INCLUDE_PATH=/usr/include/gdal
 ENV C_INCLUDE_PATH=/usr/include/gdal
 
-RUN pip install -U pip && python3 -m pip install -U pip
-
-RUN pip install numpy && pip3 install numpy
+RUN python3 -m pip install -U pip
 
-RUN pip install gdal==2.3.1 h5py netCDF4 psycopg2 PyYAML pillow
+RUN pip3 install numpy
 
-RUN pip3 install gdal==2.3.1 h5py netCDF4 psycopg2 PyYAML pillow
+RUN pip3 install gdal==3.4.1 h5py netCDF4 psycopg2 PyYAML pillow
\ No newline at end of file