diff --git a/requirements.txt b/requirements.txt
index ae076a0..d373ef3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ attrs==19.3.0
 Automat==0.8.0
 Babel==2.7.0
 bitstring==3.1.6
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 codecov==2.0.15