diff --git a/requirements.txt b/requirements.txt
index dc1ef54..dc698df 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ matplotlib == 3.1.1
 # trajclus/apps/lsh_clustering.py: 3
 # trajclus/lib/geometric_utils.py: 1
 # trajclus/lib/plot_utils.py: 3
-numpy == 1.17.4
+numpy == 1.22.0
 
 # trajclus/apps/db_clustering.py: 4
 # trajclus/apps/lsh_clustering.py: 2