diff --git a/app/models/metadata/customer_metadata.rb b/app/models/metadata/customer_metadata.rb
index 07e868d888a..5304d7c6554 100644
--- a/app/models/metadata/customer_metadata.rb
+++ b/app/models/metadata/customer_metadata.rb
@@ -7,7 +7,7 @@ class CustomerMetadata < ApplicationRecord
     belongs_to :customer
 
     validates :key, presence: true, uniqueness: {scope: :customer_id}, length: {maximum: 20}
-    validates :value, presence: true, length: {maximum: 40}
+    validates :value, presence: true, length: {maximum: 100}
 
     scope :displayable, -> { where(display_in_invoice: true) }
   end