diff --git a/uk-schools-cluster-analysis/requirements.txt b/uk-schools-cluster-analysis/requirements.txt
index 2587759..2868d9f 100644
--- a/uk-schools-cluster-analysis/requirements.txt
+++ b/uk-schools-cluster-analysis/requirements.txt
@@ -12,7 +12,7 @@ gunicorn==19.7.1
 idna==2.6                                                                                                                                 
 ipython-genutils==0.2.0                                                                                                                   
 itsdangerous==0.24                                                                                                                        
-Jinja2==2.10                                                                                                                              
+Jinja2==2.11.3                                                                                                                              
 jsonschema==2.6.0                                                                                                                         
 jupyter-core==4.4.0                                                                                                                       
 MarkupSafe==1.0