diff --git a/requirements.txt b/requirements.txt
index a2a950a..1fae1b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2016.2.28
+certifi==2022.12.7
 nltk==3.4.5
 numpy==1.18.1
 six==1.14.0