diff --git a/platformio/package/manifest/schema.py b/platformio/package/manifest/schema.py
index e19e6f25..080a7654 100644
--- a/platformio/package/manifest/schema.py
+++ b/platformio/package/manifest/schema.py
@@ -84,7 +84,7 @@ class StrictListField(fields.List):
 
 
 class AuthorSchema(StrictSchema):
-    name = fields.Str(required=True, validate=validate.Length(min=1, max=50))
+    name = fields.Str(required=True, validate=validate.Length(min=1, max=100))
     email = fields.Email(validate=validate.Length(min=1, max=50))
     maintainer = fields.Bool(default=False)
     url = fields.Url(validate=validate.Length(min=1, max=255))