diff --git a/requirements.txt b/requirements.txt
index 99f1886..55ac6f6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 blinker==1.4
-certifi==2018.11.29
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 Cython==0.28.2