Google PageRank update means renewing your PageRank by Google i.e updating your website’s PageRank and assigning your website a new Google PageRank.Google page rank are waited by almost all website owner and always expect higher pagerank . Last Google PageRank update was done in October 2009 . The next PageRank update will be scheduled by Google somewhere between January-February , 2010 .

Google usually update pagerank usually once in 4 months after. Google began to update the Pagerank more frequently after 2008 ( you can see PR update history here ) .  Some blog has predicted the pagerank update likely to happen between January-February , 2010 .