diff --git a/python/requirements-catalyst.txt b/python/requirements-catalyst.txt
index 37d7407..5bb2a9b 100644
--- a/python/requirements-catalyst.txt
+++ b/python/requirements-catalyst.txt
@@ -1,6 +1,6 @@
 rdflib==4.2.0
 Flask==0.10.1
-Flask-Cors==1.10.0
+Flask-Cors==3.0.9
 requests==2.2.1
 networkx==1.8.1
 python-louvain==0.3
diff --git a/python/requirements.txt b/python/requirements.txt
index 37d7407..5bb2a9b 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,6 +1,6 @@
 rdflib==4.2.0
 Flask==0.10.1
-Flask-Cors==1.10.0
+Flask-Cors==3.0.9
 requests==2.2.1
 networkx==1.8.1
 python-louvain==0.3