diff --git a/CHANGES/v2.4.md b/CHANGES/v2.4.md
index 374507e6661d7420748a8df436bed500ca2e3198..f787d96445862e1525181f4db38002e9235f72ca 100644
--- a/CHANGES/v2.4.md
+++ b/CHANGES/v2.4.md
@@ -186,3 +186,6 @@ For users:
     are expected to work correctly. See \issue{254}.
   - GROMACS patch for gromacs-2018.1.
   - \ref VimSyntax now highlights `__FILL__` strings.
+
+For developers:
+  - Cppcheck upgraded to 1.84.