diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 34a3f5a..a931e41
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ boto==2.49.0
 boto3==1.9.42
 botocore==1.12.42
 bz2file==0.98
-certifi==2018.10.15
+certifi==2022.12.7
 chardet==3.0.4
 ChatterBot==0.8.7
 chatterbot-corpus==1.1.4