diff --git a/requirements.txt b/requirements.txt
index cdf84d3..7cf16ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ azure-identity==1.26.0
     # via
     #   -r requirements.in
     #   msgraph-sdk
-certifi==2024.8.30
+certifi==2026.10.19
     # via
     #   httpcore
     #   httpx