diff --git a/HACKING.md b/HACKING.md
index 1afa68dd0..f5b6dd30e 100644
--- a/HACKING.md
+++ b/HACKING.md
@@ -218,7 +218,7 @@ tests will create the required user using FreedomBox's first boot process.
 export FREEDOMBOX_URL=https://localhost
 ```
 
-You will be running `py.test-3`. 
+You will be running `py.test-3`.
 
 ```
 $ py.test-3 --include-functional
diff --git a/functional_tests/install.sh b/functional_tests/install.sh
index e8496953b..7c5e1f563 100755
--- a/functional_tests/install.sh
+++ b/functional_tests/install.sh
@@ -4,7 +4,7 @@ IFS=$'\n\t'
 
 echo "Installing requirements"
 sudo apt-get install -yq --no-install-recommends \
-    python3-pytest \
+    python3-pytest python3-pytest-django \
     python3-pip firefox \
     xvfb
 pip3 install wheel