diff --git a/DTI-CDF_requirements.txt b/DTI-CDF_requirements.txt
index 1f01fd2..4ab9615 100644
--- a/DTI-CDF_requirements.txt
+++ b/DTI-CDF_requirements.txt
@@ -45,7 +45,7 @@ nbbrowserpdf==0.2.1
 nbconvert==5.5.0
 nbformat==4.4.0
 notebook==5.7.8
-numpy==1.15.4
+numpy==1.22.0
 pandas==0.23.4
 pandocfilters==1.4.2
 pathlib2==2.3.3