diff --git a/requirements.txt b/requirements.txt
index 36fe6e586a7..3a53b2a9327 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ azure-mgmt-subscription==3.1.1
 bcrypt==5.0.*
 boto3==1.42.*; python_version <= '3.9'
 boto3==1.43.*; python_version > '3.9'
-certifi==2026.5.20
+certifi==2026.6.17
 cryptography==49.0.*
 Flask-Babel==4.0.*
 Flask-Compress==1.*