diff --git a/scripts/install b/scripts/install
index 5f2aede..2989330 100755
--- a/scripts/install
+++ b/scripts/install
@@ -63,7 +63,7 @@ redis_db=$(ynh_redis_get_free_db)
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Installing dependencies..." --weight=40
+ynh_script_progression --message="Installing dependencies..." --weight=20
 
 ynh_exec_warn_less ynh_install_app_dependencies "$pkg_dependencies"
 
@@ -101,9 +101,14 @@ ynh_system_user_create --username="$app" --home_dir="$final_path" --use_shell
 #=================================================
 # PIP INSTALLATION
 #=================================================
-ynh_script_progression --message="Install project via pip..." --weight=80
+ynh_script_progression --message="Install project via pip..." --weight=50
+
+# Always recreate everything fresh with current python version
+ynh_secure_remove "${final_path}/venv"
+
+# Skip pip because of: https://github.com/YunoHost/issues/issues/1960
+python3 -m venv --without-pip "${final_path}/venv"
 
-python3 -m venv "${final_path}/venv"
 cp ../conf/requirements.txt "$final_path/requirements.txt"
 chown -R "$app:" "$final_path"
 
@@ -112,8 +117,9 @@ chown -R "$app:" "$final_path"
 	set +o nounset
 	source "${final_path}/venv/bin/activate"
 	set -o nounset
-	ynh_exec_as $app $final_path/venv/bin/pip install --upgrade wheel pip
-	ynh_exec_as $app $final_path/venv/bin/pip install --no-deps -r "$final_path/requirements.txt"
+	ynh_exec_as $app $final_path/venv/bin/python3 -m ensurepip
+	ynh_exec_as $app $final_path/venv/bin/pip3 install --upgrade wheel pip setuptools
+	ynh_exec_as $app $final_path/venv/bin/pip3 install --no-deps -r "$final_path/requirements.txt"
 )
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index e4cbdfb..0cbf548 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -78,7 +78,7 @@ chown -R "$app:" "$final_path"
 #=================================================
 # REINSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Reinstalling dependencies..." --weight=40
+ynh_script_progression --message="Reinstalling dependencies..." --weight=20
 
 ynh_exec_warn_less ynh_install_app_dependencies "$pkg_dependencies"
 
@@ -86,17 +86,23 @@ ynh_exec_warn_less ynh_install_app_dependencies "$pkg_dependencies"
 # REINSTALL PYTHON VIRTUALENV
 # Maybe the backup contains a other Python version
 #=================================================
-ynh_script_progression --message="Upgrade Python virtualenv..." --weight=10
+ynh_script_progression --message="Upgrade Python virtualenv..." --weight=50
 
-python3 -m venv --upgrade "${final_path}/venv"
+# Always recreate everything fresh with current python version
+ynh_secure_remove "${final_path}/venv"
+
+# Skip pip because of: https://github.com/YunoHost/issues/issues/1960
+python3 -m venv --without-pip "${final_path}/venv"
+chown -R "$app:" "$final_path"
 
 #run source in a 'sub shell'
 (
 	set +o nounset
 	source "${final_path}/venv/bin/activate"
 	set -o nounset
-	ynh_exec_as $app $final_path/venv/bin/pip install --upgrade wheel pip
-	ynh_exec_as $app $final_path/venv/bin/pip install --no-deps -r "$final_path/requirements.txt"
+	ynh_exec_as $app $final_path/venv/bin/python3 -m ensurepip
+	ynh_exec_as $app $final_path/venv/bin/pip3 install --upgrade wheel pip setuptools
+	ynh_exec_as $app $final_path/venv/bin/pip3 install --no-deps -r "$final_path/requirements.txt"
 )
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 5d21061..e533acb 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -63,7 +63,7 @@ ynh_add_nginx_config "public_path" "port"
 #=================================================
 # Update dependencies
 #=================================================
-ynh_script_progression --message="Upgrading dependencies..."
+ynh_script_progression --message="Upgrading dependencies..." --weight=20
 
 ynh_exec_warn_less ynh_install_app_dependencies "$pkg_dependencies"
 
@@ -85,9 +85,14 @@ ynh_add_systemd_config --service="$app" --template="pyinventory.service"
 #=================================================
 # UPGRADE VENV
 #=================================================
-ynh_script_progression --message="Upgrade project via pip..." --weight=80
+ynh_script_progression --message="Upgrade project via pip..." --weight=50
+
+# Always recreate everything fresh with current python version
+ynh_secure_remove "${final_path}/venv"
+
+# Skip pip because of: https://github.com/YunoHost/issues/issues/1960
+python3 -m venv --without-pip "${final_path}/venv"
 
-python3 -m venv --upgrade "${final_path}/venv"
 cp ../conf/requirements.txt "$final_path/requirements.txt"
 chown -R "$app:" "$final_path"
 
@@ -96,8 +101,9 @@ chown -R "$app:" "$final_path"
 	set +o nounset
 	source "${final_path}/venv/bin/activate"
 	set -o nounset
-	ynh_exec_as $app $final_path/venv/bin/pip install --upgrade wheel pip
-	ynh_exec_as $app $final_path/venv/bin/pip install --no-deps -r "$final_path/requirements.txt"
+	ynh_exec_as $app $final_path/venv/bin/python3 -m ensurepip
+	ynh_exec_as $app $final_path/venv/bin/pip3 install --upgrade wheel pip setuptools
+	ynh_exec_as $app $final_path/venv/bin/pip3 install --no-deps -r "$final_path/requirements.txt"
 )
 
 #=================================================