diff --git a/requirements.txt b/requirements.txt
index 0eb0d06..36a35c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ Bottleneck==1.3.1
 bpemb==0.3.0
 cachetools==4.0.0
 catalogue==0.2.0
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 cliff==2.18.0