diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index ee8e5434..b2a6ab46
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ scipy==1.5.4
 numpy==1.19.4
 pyproj==3.0.0
 Pysolar==0.6
-psutil==5.6.3
+psutil==5.6.6
 joblib==0.17.0
 Fiona==1.8.9.post2
 cryptography==2.8