diff --git a/Changelog.md b/Changelog.md
index 3b97bda71..0a392d173 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -5,6 +5,7 @@ Language Features:
 
 Compiler Features:
  * Immutable variables can be read at construction time once they are initialized.
+ * SMTChecker: Support low level ``call`` as external calls to unknown code.
 
 
 Bugfixes: