diff --git a/check_dna_c/requirements.txt b/check_dna_c/requirements.txt
index ff2718d..4f8f3a4 100644
--- a/check_dna_c/requirements.txt
+++ b/check_dna_c/requirements.txt
@@ -1,6 +1,6 @@
 backports.ssl-match-hostname==3.7.0.1
 backports.weakref==1.0.post1
-certifi==2022.12.7
+certifi==2024.7.4
 chardet==3.0.4
 DateTime==4.3
 idna==2.8