diff --git a/docker_jekyll_site/requirements3.txt b/docker_jekyll_site/requirements3.txt
index 4ad627d..18efdd0 100644
--- a/docker_jekyll_site/requirements3.txt
+++ b/docker_jekyll_site/requirements3.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --output-file requirements3.txt requirements3.in
 #
-certifi==2018.8.24        # via requests
+certifi==2022.12.7        # via requests
 chardet==3.0.4            # via requests
 click==6.7                # via pip-tools
 first==2.0.1              # via pip-tools