diff --git a/requirements.txt b/requirements.txt
index cb96a27..6f0c53d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2018.11.29
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 h5py==2.9.0