diff --git a/.ocamlformat b/.ocamlformat
index 0b457a3..912bea4 100644
--- a/.ocamlformat
+++ b/.ocamlformat
@@ -1,2 +1,2 @@
 profile = default
-version = 0.26.2
+version = 0.27.0
diff --git a/CHANGES.txt b/CHANGES.txt
index 3dd82f3..337034f 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,7 @@
-## unreleased
+## v0.4.3 - 4 Dec 2024
 * Move macros accessing values outside of blocking sections
 * Use caml_stat_* functions instead of malloc/free for heap data
+* Support renameat2
 
 ## v0.4.2 - 10 Aug 2024
 * Add TIOCGWINSZ ioctl