diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index b0c4055..5b7f225 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -7,6 +7,11 @@
 
 Release Date: Not Released
 
+-  General Changes
+
+   -  Updated :doc:`Security Library <libraries/security>` method ``get_random_bytes()`` to use PHP7's ``random_bytes()`` function when possible.
+   -  Updated :doc:`Encryption Library <libraries/security>` method ``create_key()`` to use PHP7's ``random_bytes()`` function when possible.
+
 Bug fixes for 3.0.4
 -------------------