diff --git a/README.md b/README.md
index dbeef1c..3e51e3f 100644
--- a/README.md
+++ b/README.md
@@ -122,3 +122,4 @@ Some general information about the simulated data, useful for IRF calculation, a
 -   v0.5.0: release compatible with ctapipe 0.17. Also, the equivalent focal length is set to the
     correct value used in MAGIC simulations (i.e. 16.97 meters)
 -   v0.5.1: release compatible with ctapipe 0.19
+-   v0.5.2: introduce capbility of reading data taken with the Hardware Stereo Trigger (HaST) between MAGIC and LST-1. Also, fixed bug when getting the time difference between events for mono data