diff --git a/requirements.txt b/requirements.txt
index d26a1dee..15ea7dfe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ networkx==2.2
 newick==1.0.0
 nose==1.3.7
 notebook==6.4.10
-numpy==1.19.5
+numpy==1.22.0
 packaging==20.8
 pandas==1.2.0
 pandocfilters==1.4.3