diff --git a/scripts/_common.sh b/scripts/_common.sh
index 4f036c4..77d9566 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-pkg_dependencies="dh-autoreconf	python-pip python-dev python-lxml python-imaging virtualenv"
+pkg_dependencies="dh-autoreconf	python3-pip python3-dev python3-lxml python3-pillow virtualenv"
 
 # Send an email to inform the administrator
 #
diff --git a/scripts/install b/scripts/install
index 5e9417c..f2682c6 100644
--- a/scripts/install
+++ b/scripts/install
@@ -109,14 +109,14 @@ ynh_install_nodejs 10
 # Install weboob with pip
 #=================================================
 
-virtualenv --system-site-packages "${final_path}/venv"
+virtualenv --python=python3 --system-site-packages "${final_path}/venv"
 (
 	set +o nounset
 	source "${final_path}/venv/bin/activate"
 	set -o nounset
 
 	pip install --upgrade pip
-	pip install weboob html2text simplejson BeautifulSoup PyExecJS
+	pip install weboob html2text simplejson BeautifulSoup4 PyExecJS
 )
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 1a7a952..38327ba 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -115,14 +115,14 @@ ynh_install_nodejs 10
 #=================================================
 
 ynh_secure_remove "${final_path}/venv"
-virtualenv --system-site-packages "${final_path}/venv"
+virtualenv --python=python3 --system-site-packages "${final_path}/venv"
 (
 	set +o nounset
 	source "${final_path}/venv/bin/activate"
 	set -o nounset
 
 	pip install --upgrade pip
-	pip install weboob html2text simplejson BeautifulSoup PyExecJS
+	pip install weboob html2text simplejson BeautifulSoup4 PyExecJS
 )
 
 #=================================================