diff --git a/src/routes/supplierRoute.js b/src/routes/supplierRoute.js
index afc5261b..ce466b71 100644
--- a/src/routes/supplierRoute.js
+++ b/src/routes/supplierRoute.js
@@ -53,6 +53,7 @@ module.exports = function (fastify, opts, next) {
         },
       ],
     },
+    preHandler: fastify.auth([fastify.authenticate]),
     handler: validationHandler.getConnectedSuppliers,
   });
 
@@ -78,6 +79,7 @@ module.exports = function (fastify, opts, next) {
         },
       ],
     },
+    preHandler: fastify.auth([fastify.authenticate]),
     handler: validationHandler.getPendingSuppliers,
   });
 
@@ -102,6 +104,7 @@ module.exports = function (fastify, opts, next) {
         },
       ],
     },
+    preHandler: fastify.auth([fastify.authenticate]),
     handler: validationHandler.getRejectSuppliers,
   });
 
@@ -128,6 +131,7 @@ module.exports = function (fastify, opts, next) {
         },
       ],
     },
+    preHandler: fastify.auth([fastify.authenticate]),
     handler: validationHandler.getRejectCustomers,
   });
 
@@ -153,6 +157,7 @@ module.exports = function (fastify, opts, next) {
         },
       ],
     },
+    preHandler: fastify.auth([fastify.authenticate]),
     handler: validationHandler.getPendingCustomers,
   });
 
@@ -179,6 +184,7 @@ module.exports = function (fastify, opts, next) {
         },
       ],
     },
+    preHandler: fastify.auth([fastify.authenticate]),
     handler: validationHandler.getconnectedCustomers,
   });