diff --git a/adv_transformer/requirements.txt b/adv_transformer/requirements.txt
index 0f7fb6c..d0b3548 100644
--- a/adv_transformer/requirements.txt
+++ b/adv_transformer/requirements.txt
@@ -23,7 +23,7 @@ elasticsearch==7.7.1
 emoji==1.2.0
 filelock==3.0.12
 Flask==1.1.2
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 fuzzywuzzy==0.18.0
 gast==0.3.3
 gensim==3.8.3