diff --git a/scripts/install b/scripts/install
index fb2c063..e15b7d1 100755
--- a/scripts/install
+++ b/scripts/install
@@ -187,7 +187,7 @@ virtualenv "${final_path}/venv"
 	# prevent error: "command: 'install_requires' must be a string or list of strings containing valid project/version requirement specifiers"
 	pip install --upgrade setuptools
 	pip install Weblate=="$current_version"
-	pip install pytz python-bidi PyYaML Babel pyuca pylibravatar pydns psycopg2 python-memcached phply
+	pip install pytz python-bidi PyYaML Babel pyuca pylibravatar pydns psycopg2-binary python-memcached phply
 	# specific to YunoHost package:
 	pip install django_sendmail_backend
 )
diff --git a/scripts/upgrade b/scripts/upgrade
index 4173808..857a08d 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -162,7 +162,7 @@ settings_diff="$final_path/settings.${previous_version}_${current_version}.diff"
 	# prevent error: "command: 'install_requires' must be a string or list of strings containing valid project/version requirement specifiers"
 	pip install --upgrade setuptools
 	pip install Weblate=="$current_version"
-	pip install pytz python-bidi PyYaML Babel pyuca pylibravatar pydns psycopg2 python-memcached phply
+	pip install pytz python-bidi PyYaML Babel pyuca pylibravatar pydns psycopg2-binary python-memcached phply
 	# specific to YunoHost package:
 	pip install django_sendmail_backend
 )