diff --git a/Dockerfile b/Dockerfile
index cef526e..3869103 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,19 +8,13 @@ RUN apt-get update && \
   apt-get upgrade -y && \
   apt-get install -y \
   cmake \
-  libgdal-dev && \
+  libgeos-dev && \
   rm -rf /var/lib/apt/lists/*
 
 # Copy in requirements.txt.
-COPY requirements.txt \
-  /root/chasemapper/requirements.txt
+COPY requirements.txt /root/chasemapper/requirements.txt
 
-# Install numpy Python package first so that it is available for gdal.
-RUN pip3 --no-cache-dir install --user --no-warn-script-location \
-  --extra-index-url https://www.piwheels.org/simple \
-  numpy
-
-# Install remaining Python packages.
+# Install Python packages.
 RUN pip3 --no-cache-dir install --user --no-warn-script-location \
   --extra-index-url https://www.piwheels.org/simple \
   -r /root/chasemapper/requirements.txt
@@ -29,15 +23,13 @@ RUN pip3 --no-cache-dir install --user --no-warn-script-location \
 COPY . /root/chasemapper
 
 # Download and install cusf_predictor_wrapper, and build predictor binary.
-ADD https://github.com/darksidelemm/cusf_predictor_wrapper/archive/master.zip /root/cusf_predictor_wrapper-master.zip
+ADD https://github.com/darksidelemm/cusf_predictor_wrapper/archive/master.zip \
+  /root/cusf_predictor_wrapper-master.zip
 RUN unzip /root/cusf_predictor_wrapper-master.zip -d /root && \
   rm /root/cusf_predictor_wrapper-master.zip && \
-  cd /root/cusf_predictor_wrapper-master && \
-  python3 setup.py install --user && \
-  cd src && \
-  mkdir build && \
-  cd build && \
-  cmake ../ && \
+  mkdir -p /root/cusf_predictor_wrapper-master/src/build && \
+  cd /root/cusf_predictor_wrapper-master/src/build && \
+  cmake .. && \
   make
 
 # -------------------------
@@ -50,7 +42,8 @@ EXPOSE 5001/tcp
 RUN apt-get update && \
   apt-get upgrade -y && \
   apt-get install -y \
-  libgdal20 \
+  libeccodes0 \
+  libgeos-c1v5 \
   libglib2.0 \
   tini && \
   rm -rf /var/lib/apt/lists/*
@@ -59,8 +52,8 @@ RUN apt-get update && \
 COPY --from=build /root/.local /root/.local
 
 # Copy predictor binary and get_wind_data.py from the build container.
-COPY --from=build /root/cusf_predictor_wrapper-master/src/build/pred /opt/chasemapper/
-COPY --from=build /root/cusf_predictor_wrapper-master/apps/get_wind_data.py /opt/chasemapper/
+COPY --from=build /root/cusf_predictor_wrapper-master/src/build/pred \
+  /opt/chasemapper/
 
 # Copy in chasemapper.
 COPY . /opt/chasemapper
diff --git a/requirements.txt b/requirements.txt
index c7233b2..7410c3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,11 +1,9 @@
-fastkml
+cusfpredict
 flask
 flask-socketio
-gdal==2.4.0 # Debian Buster has GDAL 2.4.0 packaged.
 lxml
 numpy
 python-dateutil
 pytz
 requests
 serial
-shapely