diff --git a/rtic-monotonics/CHANGELOG.md b/rtic-monotonics/CHANGELOG.md
index 9f35757eab..6b5761c722 100644
--- a/rtic-monotonics/CHANGELOG.md
+++ b/rtic-monotonics/CHANGELOG.md
@@ -7,6 +7,8 @@ For each category, *Added*, *Changed*, *Fixed* add new entries at the top!
 
 ## Unreleased
 
+## v1.2.0 - 2023-09-19
+
 ### Added
 
 - STM32 support.
diff --git a/rtic-monotonics/Cargo.toml b/rtic-monotonics/Cargo.toml
index 5c0e7588ed..7070f726be 100644
--- a/rtic-monotonics/Cargo.toml
+++ b/rtic-monotonics/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rtic-monotonics"
-version = "1.1.0"
+version = "1.2.0"
 
 edition = "2021"
 authors = [