diff --git a/containers/scatac-csv-to-arrow/context/requirements-freeze.txt b/containers/scatac-csv-to-arrow/context/requirements-freeze.txt
index a54351d..61bd5ef 100644
--- a/containers/scatac-csv-to-arrow/context/requirements-freeze.txt
+++ b/containers/scatac-csv-to-arrow/context/requirements-freeze.txt
@@ -26,5 +26,5 @@ ruamel-yaml==0.15.46
 scipy==1.3.3
 six==1.13.0
 tqdm==4.36.1
-urllib3==1.24.2
+urllib3==1.26.5
 zipp==3.1.0