diff --git a/blockchain_datacraw/requirements.txt b/blockchain_datacraw/requirements.txt
index afaa133..268ae4b 100644
--- a/blockchain_datacraw/requirements.txt
+++ b/blockchain_datacraw/requirements.txt
@@ -16,7 +16,7 @@ bleach==2.1.3
 bokeh==0.12.16
 boto==2.48.0
 Bottleneck==1.2.1
-certifi==2018.4.16
+certifi==2022.12.7
 cffi==1.11.5
 chardet==3.0.4
 click==6.7