diff --git a/ippisite/requirements-core.txt b/ippisite/requirements-core.txt
index fb04c7463d61c22139f7f586e977a4292fb64daf..6d8bbdcc121fe433746260371af23f995ed54760 100644
--- a/ippisite/requirements-core.txt
+++ b/ippisite/requirements-core.txt
@@ -7,7 +7,7 @@ django-formtools
 django-debug-toolbar
 django-allauth
 # import scripts
-pandas==0.23.4
+pandas==0.22.0
 # web services
 bioservices
 bioblend