diff --git a/requirements.txt b/requirements.txt
index 24923d9..a928a5e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ Unidecode==1.0.23
 fastcluster==1.1.25
 git+https://github.com/titipata/pubmed_parser.git
 stanford_corenlp==3.9.2
-requests==2.21.0
+requests==2.31.0
 py2neo==4.3.0
 sympy==1.3
 sortedcontainers==2.1.0