diff --git a/lib/routes/admin-api/context-schema.js b/lib/routes/admin-api/context-schema.js
index e3b8fc16bc..9b89aaa603 100644
--- a/lib/routes/admin-api/context-schema.js
+++ b/lib/routes/admin-api/context-schema.js
@@ -11,6 +11,7 @@ const contextSchema = joi
         name: nameType,
         description: joi
             .string()
+            .max(250)
             .allow('')
             .allow(null)
             .optional(),
@@ -19,7 +20,7 @@ const contextSchema = joi
             .allow(null)
             .unique()
             .optional()
-            .items(joi.string()),
+            .items(joi.string().max(100)),
     })
     .options({ allowUnknown: false, stripUnknown: true });