diff --git a/gcd_requirements.txt b/gcd_requirements.txt
index 05bfc30..28503fb 100644
--- a/gcd_requirements.txt
+++ b/gcd_requirements.txt
@@ -1,7 +1,7 @@
 appnope==0.1.0
 backcall==0.1.0
 bleach==2.1.3
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 colorlover==0.2.1
 cufflinks==0.13.0