House Budget Committee chairman Paul RyanPaul Davis RyanFreedomWorks backs Jim Jordan for House Speaker House, Senate GOP compete for cash Some doubt McCarthy or Scalise will ever lead House GOP MORE (R-Wis.) supports Sen. Marco RubioMarco Antonio RubioSenate confirms Trump’s pick to lead NASA The Hill's 12:30 Report Steps Congress can take to defend America against foreign influence operations MORE's (R-Fla.) immigration reform blueprint.

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"Sen. Rubio is exactly right on the need to fix our broken immigration system," Ryan wrote on his Facebook on Monday. "I support the principles he’s outlined: modernization of our immigration laws; stronger security to curb illegal immigration; and respect for the rule of law in addressing the complex challenge of the undocumented population. Our future depends on an immigration system that works."

Ryan's endorsement gives a boost to Rubio's efforts. Both Republicans are seen as potential GOP candidates for president in 2016. 

Rubio outlined his preferred approach to immigration reform in a recent interview with The Wall Street Journal. He argued the best way to tackle immigration reform would be through passing a series of bills instead of a single omnibus package. 

Rubio also wants undocumented immigrants to come forward and go through a process to get legal status that could include background checks, paying a fine and back taxes and possibly community service. That process also includes the option of eventually becoming a citizen. 

Legislators in both the House and the Senate have begun quiet negotiations on immigration reform. Rep. Luis GutierrezLuis Vicente GutierrezWATCH: Gutiérrez says ‘lonely’ Trump can cry on KKK’s shoulder over WH departures Read Trump's remarks at Gridiron dinner Why Puerto Rico cannot govern itself MORE (D-Ill.) a leading Democrat on immigration reform, has held discussions with Ryan on the topic.