diff --git a/uk-schools-cluster-analysis/requirements.txt b/uk-schools-cluster-analysis/requirements.txt
index 2587759..57b9835 100644
--- a/uk-schools-cluster-analysis/requirements.txt
+++ b/uk-schools-cluster-analysis/requirements.txt
@@ -17,7 +17,7 @@ jsonschema==2.6.0
 jupyter-core==4.4.0                                                                                                                       
 MarkupSafe==1.0                                                                                                                           
 nbformat==4.4.0                                                                                                                           
-numpy==1.14.2                                                                                                                             
+numpy==1.22.0                                                                                                                             
 pandas==0.22.0                                                                                                                            
 plotly==2.5.1                                                                                                                             
 python-dateutil==2.7.2