diff --git a/tools/apigee-proxy-modifier-validator/requirements.txt b/tools/apigee-proxy-modifier-validator/requirements.txt
index 90515fa7..3844b5af 100644
--- a/tools/apigee-proxy-modifier-validator/requirements.txt
+++ b/tools/apigee-proxy-modifier-validator/requirements.txt
@@ -13,4 +13,4 @@ requests==2.32.4
 rsa==4.9.1
 tabulate==0.9.0
 tomlkit==0.13.2
-urllib3==2.5.0
+urllib3==2.6.0