diff --git a/CHANGES.md b/CHANGES.md
index 8d36bc6ac0f7..40ef954ec02b 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -20,6 +20,10 @@ next
 
 - Fix crash when caching is enabled (@rgrinberg, #3581, fixes #3580)
 
+- Dune does not use `ocamlc` as an intermediary to call C compiler anymore.
+  Configuration flags `ocamlc_cflags` and `ocamlc_cppflags` are always prepended
+  to the compiler arguments. (#3565, fixes #3346, @voodoos)
+
 2.6.0 (05/06/2020)
 ------------------