diff --git a/CHANGELOG.md b/CHANGELOG.md
index 93c557838..7c09c300b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -87,6 +87,8 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
  - Added new standalone mode `lf_em4100rsww` (@zabszk)
  - Fixed `hf 15 slixdisable` wrong pass id (@r1ddl3rz)
  - Added `script run hf_mf_hid_sim.lua` (@micsen)
+ - Added `hf 15 sim --blocksize` - configure block size for simulation (@markus-oehme-pg40)
+ - Added `hf 15 sim --image` - specify memory image for simulation (@markus-oehme-pg40)
 
 
 ## [Frostbit.4.14831][2022-01-11]