diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e1bb8c9..b9fafa3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,6 +7,7 @@ on:
     paths:
       - 'conda-linux-64.lock'
       - 'environment.yml'
+      - 'install.R'
       - 'Dockerfile'
       # Trigger rebuilds if the build process changes
       - '.github/workflows/build.yaml'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b624a34..e45e3bb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,6 +4,7 @@ on:
   pull_request:
     paths:
       - 'environment.yml'
+      - 'install.R'
       # Trigger rebuilds if the test process changes
       - '.github/workflows/test.yaml'
 
diff --git a/Dockerfile b/Dockerfile
index 3d2703d..c496de1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -66,6 +66,9 @@ RUN echo "Checking for 'conda-linux-64.lock' or 'environment.yml'..." \
         find ${NB_PYTHON_PREFIX}/lib/python*/site-packages/bokeh/server/static -follow -type f -name '*.js' ! -name '*.min.js' -delete \
         ; fi
 
+## Run an install.R script, if it exists.
+RUN if [ -f install.R ]; then R --quiet -f install.R; fi
+
 RUN pip install jupyter-rsession-proxy
 
 WORKDIR ${HOME}
diff --git a/install.R b/install.R
new file mode 100644
index 0000000..a9c0990
--- /dev/null
+++ b/install.R
@@ -0,0 +1,2 @@
+install.packages("spatialEco")
+install.packages("lidR")