diff --git a/requirements.txt b/requirements.txt
index a072ed17..28844424 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==2.0.1
+Flask==2.1.2
 Flask-Cors==3.0.10
 minio==7.1.7
 pysam==0.19.0