diff --git a/requirements.txt b/requirements.txt
index 63a58a4..0088ec5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ boto3==1.9.88
 botocore==1.12.88
 CellProfiler==3.0.0rc3
 centrosome==1.1.6
-certifi==2018.11.29
+certifi==2022.12.7
 cffi==1.11.5
 chardet==3.0.4
 cloudpickle==0.7.0