diff --git a/scripts/_common.sh b/scripts/_common.sh
index 517af47..72668dd 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -44,7 +44,7 @@ install_source() {
         source $final_path/bin/activate
         pip3 install --upgrade pip
         pip3 install --upgrade 'Werkzeug<1.0'
-        pip3 install --upgrade https://ftp.postgresql.org/pub/pgadmin/pgadmin$app_main_version/v$app_sub_version/pip/pgadmin${APP_VERSION}-py3-none-any.whl
+        pip3 install --upgrade pip3 install -I --upgrade pgadmin$app_main_version==$APP_VERSION
         deactivate
     fi
 }