diff --git a/ChangeLog b/ChangeLog
index 5c2fbbbd4..32fc39317 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -35,6 +35,10 @@ Changes
      produced by some optimizing compilers, showing up as failures in
      e.g. RSA or ECC signature operations. Reported in #1722, fix suggested
      by Aurelien Jarno and submitted by Jeffrey Martin.
+   * Remove dead code from bignum.c in the default configuration.
+     Found by Coverity, reported and fixed by Peter Kolbus (Garmin). Fixes #2309.
+   * Add test for minimal value of MBEDTLS_MPI_WINDOW_SIZE to all.sh.
+     Contributed by Peter Kolbus (Garmin).
 
 = mbed TLS 2.16.0 branch released 2018-12-21