diff --git a/requirements.txt b/requirements.txt
index 04438fe..16272df 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ certifi==2019.6.16
 chardet==3.0.4
 Click==7.0
 Flask==1.1.1
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 ibm-cloud-sdk-core==0.5.1
 ibm-watson==3.4.0
 idna==2.8