Adapt ChangeLog
diff --git a/ChangeLog b/ChangeLog
index a3171d7..360a72d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,16 @@
mbed TLS ChangeLog (Sorted per branch, date)
+= mbed TLS 1.3.22 branch released xxxx-xx-xx
+
+Security
+ * Make mpi_read_binary constant-time with respect to
+ the input data. Previously, trailing zero bytes were detected
+ and omitted for the sake of saving memory, but potentially
+ leading to slight timing differences.
+ Reported by Marco Macchetti, Kudelski Group.
+ * Wipe stack buffer temporarily holding EC private exponent
+ after keypair generation.
+
= mbed TLS 1.3.21 branch released 2017-08-10
Security