diff --git a/paper_retrieval/server/requirements.txt b/paper_retrieval/server/requirements.txt
index 4f72262..3281dc2 100644
--- a/paper_retrieval/server/requirements.txt
+++ b/paper_retrieval/server/requirements.txt
@@ -1,6 +1,6 @@
 Cython
 Flask==1.1.2
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 gensim==3.8.3
 nltk==3.4.5
 pandas==1.0.3