Bump Mbed TLS version to 2.19.1
diff --git a/ChangeLog b/ChangeLog
index f16c97e..973f213 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,16 @@
mbed TLS ChangeLog (Sorted per branch, date)
+= mbed TLS 2.19.1 branch released 2019-09-16
+
+Features
+ * Add nss_keylog to ssl_client2 and ssl_server2, enabling easier analysis of
+ TLS sessions with tools like Wireshark.
+
+API Changes
+ * Make client_random and server_random const in
+ mbedtls_ssl_export_keys_ext_t, so that the key exporter is discouraged
+ from modifying the client/server hello.
+
= mbed TLS 2.19.0 branch released 2019-09-06
Security