diff --git a/CHANGELOG.md b/CHANGELOG.md
index f540f0b2..1d032c1e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ Only when a release to the main branch is done, the contents of the WIP-DEV are
 versioned header while the `WIP-DEV` is left empty
 
 ## [WIP-DEV]
+- Added support of Standard Atomic (A) Extension (RV32 and RV64), excluding the LR/SC instruction.
 - Updating CONTRIBUTING.rst to capture the new git strategy adopted to follow a monthly release
   cadence.