diff --git a/4.datasci/requirements.txt b/4.datasci/requirements.txt
old mode 100755
new mode 100644
index 896471f..5dc8086
--- a/4.datasci/requirements.txt
+++ b/4.datasci/requirements.txt
@@ -1,6 +1,6 @@
 numpy==1.11.1
 pandas==0.18.1
-scipy==0.17.1
+scipy==1.10.0
 scikit-learn==0.17.1
 scikit-image==0.12.3
 pillow==6.2.0