diff --git a/containers/sprm-to-anndata/context/requirements-freeze.txt b/containers/sprm-to-anndata/context/requirements-freeze.txt
index 705ae2a..852669e 100644
--- a/containers/sprm-to-anndata/context/requirements-freeze.txt
+++ b/containers/sprm-to-anndata/context/requirements-freeze.txt
@@ -2,7 +2,7 @@ anndata==0.7.1
 asciitree==0.3.3
 asn1crypto==1.0.1
 cached-property==1.5.2
-certifi==2019.9.11
+certifi==2022.12.7
 cffi==1.12.3
 chardet==3.0.4
 conda==4.7.12