diff --git a/requirements.txt b/requirements.txt
index 78b3cd0..baa1a56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ biterm==0.1.5
 boto3==1.12.21
 botocore==1.15.21
 cachetools==4.0.0
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 Cython==0.29.15