diff --git a/requirements.txt b/requirements.txt
index 98652cb..6f6bfbe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ astroml==0.4.post1
 avro-python3==1.9.1
 black==19.10b0
 cachetools==3.1.1
-certifi==2019.9.11
+certifi==2022.12.7
 chardet==3.0.4
 click==7.0
 cloudpickle==1.2.2