diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index af70b73..3102a89
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 numpy == 1.16.6
-scipy == 1.2.3
+scipy == 1.5.0
 ase == 3.17.0
\ No newline at end of file