diff --git a/install-dev.sh b/install-dev.sh
index a9bda9d..96dda4c 100644
--- a/install-dev.sh
+++ b/install-dev.sh
@@ -13,5 +13,12 @@ pip install -e .[dev,docs] # install in edit mode
 
 # Download tiny sample data used for unit tests
 wget -P tests/data/ https://wearables-files.ndph.ox.ac.uk/files/data/samples/ax3/tiny-sample.cwa.gz
-cp tests/data/tiny-sample.cwa.gz tests/data/tiny-sample1.cwa.gz  # make copies for multiprocessing unit tests
+# Copies for multiprocessing unit tests
+cp tests/data/tiny-sample.cwa.gz tests/data/tiny-sample1.cwa.gz
 cp tests/data/tiny-sample.cwa.gz tests/data/tiny-sample2.cwa.gz
+# Test data for unit tests
+wget -P tests/data/ https://wearables-files.ndph.ox.ac.uk/files/actipy/tests/data/read.pkl.gz
+wget -P tests/data/ https://wearables-files.ndph.ox.ac.uk/files/actipy/tests/data/lowpass.pkl.gz
+wget -P tests/data/ https://wearables-files.ndph.ox.ac.uk/files/actipy/tests/data/calib.pkl.gz
+wget -P tests/data/ https://wearables-files.ndph.ox.ac.uk/files/actipy/tests/data/nonwear.pkl.gz
+wget -P tests/data/ https://wearables-files.ndph.ox.ac.uk/files/actipy/tests/data/resample.pkl.gz