diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 3551939..5ce3cd6
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2020.6.20
+certifi==2022.12.7
 Pillow==7.1.2
 scikit-image==0.16.2
 scikit-learn==0.21.2