diff --git a/flask-app/requirements.txt b/flask-app/requirements.txt
index f0d8d1d..928d187 100644
--- a/flask-app/requirements.txt
+++ b/flask-app/requirements.txt
@@ -1,12 +1,3 @@
-certifi==2020.4.5.1
-chardet==3.0.4
-click==7.1.2
-elasticsearch==6.3.0
+elasticsearch>=7.0.0,<8.0.0
 Flask==1.1.2
-idna==2.9
-itsdangerous==1.1.0
-Jinja2==2.11.2
-MarkupSafe==1.1.1
 requests==2.23.0
-urllib3==1.25.9
-Werkzeug==1.0.1
\ No newline at end of file