diff --git a/spec/support/blueprints.rb b/spec/support/blueprints.rb
index 77c2115..4efa3a1 100644
--- a/spec/support/blueprints.rb
+++ b/spec/support/blueprints.rb
@@ -10,12 +10,12 @@
 
 User.blueprint do
   email { Faker::Internet.email }
-  password { SecureRandom.alphanumeric(10) }
+  password { SecureRandom.base64(17) }
   confirmed_at { 2.days.ago }
 end
 
 ExtraPassword.blueprint do
-  password { SecureRandom.alphanumeric(10) }
+  password { SecureRandom.base64(17) }
 end
 
 AuthorizationCode.blueprint do