Please keep both versions up to date! Once you get the attention of recruiter (using your one-page Resume) then they usually ask for more information - longer C

Please keep both versions up to date! Once you get the attention of recruiter (using your one-page Resume) then they usually ask for more information - longer CV, skills matrix, etc. I invested some time to shorten my resume to exactly one page and now I get a bit irritated when people ask me for a longer version.