diff --git a/qc_venv_requirements.txt b/qc_venv_requirements.txt
index ced8d6b..2162bd9 100644
--- a/qc_venv_requirements.txt
+++ b/qc_venv_requirements.txt
@@ -4,7 +4,7 @@ asttokens==2.0.5
 Babel==2.10.3
 backcall==0.2.0
 Cartopy==0.19.0.post1
-certifi==2022.6.15
+certifi==2022.12.7
 cf-units==3.1.1
 cftime==1.6.1
 cfunits==3.3.4