diff --git a/requirements.txt b/requirements.txt
index 0b88209..030992d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 attrs==21.2.0
-certifi==2021.10.8
+certifi==2023.7.22
 Deprecated==1.2.13
 dimod==0.12.3
 dwave-cloud-client==0.10.3