diff --git a/hbp_nrp_cle/requirements.txt b/hbp_nrp_cle/requirements.txt
old mode 100755
new mode 100644
index b8d07f5..f77b010
--- a/hbp_nrp_cle/requirements.txt
+++ b/hbp_nrp_cle/requirements.txt
@@ -1,6 +1,6 @@
 # other requirements
 cython==0.23.4
-numpy==1.16.5
+numpy==1.22.0
 scipy==0.17.1
 lxml==3.4.0
 h5py==2.6.0