diff --git a/apps/hole_filling/pelican/requirements.txt b/apps/hole_filling/pelican/requirements.txt
index 1eb417cd..a2cc457a 100644
--- a/apps/hole_filling/pelican/requirements.txt
+++ b/apps/hole_filling/pelican/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2018.11.29
+certifi==2022.12.7
 chardet==3.0.4
 idna==2.8
 numpy==1.22.0