diff --git a/requirements.txt b/requirements.txt
index 7312d22..720dbd7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ nbconvert==4.2.0
 nbformat==4.0.1
 netCDF4==1.2.4
 notebook==5.5.0
-numpy==1.11.1
+numpy==1.22.0
 pandas==0.18.1
 pexpect==4.0.1
 pickleshare==0.7.2