diff --git a/examples/requirements_file/requirements.txt b/examples/requirements_file/requirements.txt
index df267fc..d01fcb8 100644
--- a/examples/requirements_file/requirements.txt
+++ b/examples/requirements_file/requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --output-file=requirements.txt requirements.in
 #
-certifi==2019.11.28       # via requests
+certifi==2022.12.7       # via requests
 chardet==3.0.4            # via requests
 idna==2.9                 # via requests
 python-dateutil==2.8.1    # via -r requirements.in