diff --git a/requirements.txt b/requirements.txt
index e615164..3466052 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@
 cffi==1.3.0               # via xattr
 lru-dict==1.1.2
 mpi4py==2.0.0
-numpy==1.10.1
+numpy==1.21.0
 pycparser==2.14           # via cffi
 scandir==1.1
 xattr==0.7.8