diff --git a/lib/travis/client/repository.rb b/lib/travis/client/repository.rb
index 99441f0c..34527c6a 100644
--- a/lib/travis/client/repository.rb
+++ b/lib/travis/client/repository.rb
@@ -13,7 +13,7 @@ def initialize(data, fingerprint)
         end
 
         def encrypt(value)
-          encrypted = to_rsa.public_encrypt(value)
+          encrypted = to_rsa.public_encrypt(value, OpenSSL::PKey::RSA::PKCS1_OAEP_PADDING)
           Base64.encode64(encrypted).gsub(/\s+/, "")
         end