diff --git a/requirements.txt b/requirements.txt
index 83f87c1..1dde5e2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 numpy==1.17.4
 urllib3==1.24.2
 flask==1.1.1
-flask-cors==3.0.8
+flask-cors==3.0.9
 Pillow==6.2.0
 requests==2.22.0
 jinja2==2.10.3
diff --git a/service/requirements.txt b/service/requirements.txt
index 83f87c1..1dde5e2 100644
--- a/service/requirements.txt
+++ b/service/requirements.txt
@@ -1,7 +1,7 @@
 numpy==1.17.4
 urllib3==1.24.2
 flask==1.1.1
-flask-cors==3.0.8
+flask-cors==3.0.9
 Pillow==6.2.0
 requests==2.22.0
 jinja2==2.10.3