It has promised to give more details on these upgrades in the coming days.
"We know HTC fans are excited to get their hands on Google's latest version of Android. At this point in time, we can confirm that we have plans to upgrade our HTC One X, HTC One XL and HTC One S to Jelly Bean. Please stay tuned for more updates regarding device upgrades, timing and other details about HTC and Jelly Bean," company said in a statement.
Both One X and One S were originally announced at Mobile World Congress and are powered by Ice Cream Sandwich.
The Jelly Bean aka Android 4.1 brings several performance improvements including Project Butter, which aims to make the user interface smoother. It also comes with Google Now and updates to Android Beam functionality.