diff --git a/requirements.txt b/requirements.txt
index 2984172..8826394 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ ale-py==0.7.3
 astunparse==1.6.3
 cached-property==1.5.2
 cachetools==4.2.4
-certifi==2021.10.8
+certifi==2023.7.22
 charset-normalizer==2.0.7
 chex==0.0.8
 clang==5.0