diff --git a/requirements_provisional.txt b/requirements_provisional.txt
index 38d32a0..fe2f0a9 100644
--- a/requirements_provisional.txt
+++ b/requirements_provisional.txt
@@ -9,7 +9,7 @@ lxml==4.6.2
 lmdb==0.99
 matplotlib==3.3.0
 numba==0.50.1
-numpy==1.19.1
+numpy==1.22.0
 Pillow==8.1.1
 pycparser==2.20
 pyparsing==2.4.7