diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4e8f402c05..7d29118313 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,7 +8,7 @@ azure-core==1.41.0
 azure-identity==1.25.3
 build==1.4.3
 bumpver==2025.1131
-certifi==2025.8.3
+certifi==2026.5.20
 cffi==2.0.0
 charset-normalizer==3.4.7
 click==8.1.8