diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 7c55a2a..8cd5135
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ argh==0.26.2
 atomicwrites==1.2.1
 attrs==18.2.0
 Babel==2.6.0
-certifi==2018.8.24
+certifi==2022.12.7
 chardet==3.0.4
 coverage==4.5.1
 Cython==0.28.5