diff --git a/requirements.txt b/requirements.txt
index 441d13a..243d011 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2020.4.5.2
+certifi==2022.12.7
 chardet==3.0.4
 -e git://github.com/Gimulator/client-python.git@55f80c5461c679f96820eb5ab678c7ad102fd40d#egg=gimulator_client
 idna==2.9