The following packages are in testing, and available for download in the testing repositories:

• php55w 5.5.13 release 2
• php54w 5.4.29 release 2
• php56w 5.6.0beta4
• mysql55w 5.5.38

Assuming you have the Webtatic repositories set up (see Yum Repository), you can update using:

    yum update <package> --enablerepo=webtatic-testing