diff --git a/requirements.txt b/requirements.txt
index 4dd076b..4ca2928 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 antlr4-python3-runtime==4.7.2
-certifi==2019.3.9
+certifi==2022.12.7
 CFGraph==0.2.1
 chardet==3.0.4
 idna==2.8