diff --git a/CDFPythonCourse/requirements.txt b/CDFPythonCourse/requirements.txt
index f21b810..30b1c8e 100644
--- a/CDFPythonCourse/requirements.txt
+++ b/CDFPythonCourse/requirements.txt
@@ -1,6 +1,6 @@
 ipywidgets==7.2.1
 jupyter==1.0.0
-numpy==1.14.3
+numpy==1.22.0
 matplotlib==2.2.2
 scipy==1.1.0
 sympy==1.1.1