diff --git a/manifest.toml b/manifest.toml
index e124f82..b3e6930 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -77,7 +77,7 @@ ram.runtime = "50M"
     main.default = 5000
 
     [resources.apt]
-    packages = "postgresql, postgresql-contrib, python3, python3-venv, libopenjp2-7"
+    packages = "postgresql, postgresql-contrib, python3, python3-venv, libopenjp2-7, python3-cryptography"
 
     [resources.database]
     type = "postgresql"
diff --git a/scripts/install b/scripts/install
index 0120df2..2db8918 100755
--- a/scripts/install
+++ b/scripts/install
@@ -52,7 +52,6 @@ ynh_script_progression --message="Installing Python dependencies..." --weight=3
 pushd $install_dir
 	python3 -m venv $install_dir/venv
 	source $install_dir/venv/bin/activate
-	# Upgrade pip for Cryptography to work
 	ynh_exec_warn_less pip install --upgrade pip
 	ynh_exec_warn_less pip install fittrackee==$fittrackee_version toml pyyaml
 popd
diff --git a/scripts/upgrade b/scripts/upgrade
index ea9cd8b..9c2b2e6 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -63,7 +63,6 @@ ynh_secure_remove $install_dir/.venv
 pushd $install_dir
 	python3 -m venv $install_dir/venv
 	source $install_dir/venv/bin/activate
-	# Upgrade pip for Cryptography to work
 	ynh_exec_warn_less pip install --upgrade pip
 	ynh_exec_warn_less pip install fittrackee==$fittrackee_version toml pyyaml
 popd