diff --git a/src/Yann/skymask/requirements.txt b/src/Yann/skymask/requirements.txt
index e4da785968..790f778791 100644
--- a/src/Yann/skymask/requirements.txt
+++ b/src/Yann/skymask/requirements.txt
@@ -8,7 +8,7 @@ absl-py==0.10.0
 astor==0.8.1
 astunparse==1.6.3
 cachetools==4.1.1
-certifi==2020.6.20
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 decorator==4.4.2