diff --git a/apps/volve-3d-vtk/requirements.txt b/apps/volve-3d-vtk/requirements.txt
index f07f98913..8550e41ea 100644
--- a/apps/volve-3d-vtk/requirements.txt
+++ b/apps/volve-3d-vtk/requirements.txt
@@ -10,7 +10,7 @@ Babel==2.9.1
 backcall==0.2.0
 bleach==3.3.0
 Brotli==1.0.9
-certifi==2020.12.5
+certifi==2022.12.7
 cffi==1.14.5
 chardet==4.0.0
 click==7.1.2