diff --git a/requirements.txt b/requirements.txt
index 4831c9b..2279fc2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 Cython==0.29.10