diff --git a/python_requirements.txt b/python_requirements.txt
index 4708c29a63ba393d5399e4a3dddcdae86c95ef3e..4e620b2916527615827460b0a7dc7c0dcbabb46c 100644
--- a/python_requirements.txt
+++ b/python_requirements.txt
@@ -1,4 +1,4 @@
-numpy
+numpy==1.26
 scipy
 matplotlib
 mpi4py