Rattle someone's cage

From Fresh Dictionary

English

Noun

rattle (someone's) cage

1. ((idiomatic{{#if:|, {{{2}}}{{#if:|, {{{3}}}{{#if:|, {{{4}}}{{#if:|, {{{5}}}{{#if:|, {{{6}}}{{#if:|, {{{7}}}{{#if:|, {{{8}}}{{#if:|, {{{9}}}}}}}}}}}}}}}}}}})) to demand attention; to nag, nudge, or remind

   Nobody has corrected the problem yet, so it's time to rattle their cage.

See also

• the squeaky wheel gets the grease