diff --git a/CHANGELOG.md b/CHANGELOG.md
index caecfe9..72787a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ Note to self: See the bottom of this file for the release template text.
 
 ## v1.13: Untitled update (unreleased)
  - Add `//sfactor` (_selection factor_) - Selection Tools by @VorTechnix are finished for now.
+ - Add `mface` (_measure facing_), `midpos` (_measure middle position_), `msize` (_measure size_), `mtrig` (_measure trigonometry_) - Measuring Tools implemented by @VorTechnix.
 
 ## v1.12: The selection tools update (26th June 2021)
  - Add `//spush`, `//spop`, and `//sstack`