diff --git a/CHANGES.rst b/CHANGES.rst
index 37e3caa..da32d16 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,4 +1,4 @@
-1.1.0 (unreleased)
+1.1.0 (2021-06-23)
 ==================
 
 - ``synphot.synphot_utils`` C-extension is no longer optional. Your
@@ -6,6 +6,8 @@
 
 - ``~/.astropy/config/synphot.cfg`` is no longer updated on import. [#307]
 
+- Compatibility with ``numpy`` 1.20 and ``astropy`` 4.3. [#301, #309, #311]
+
 1.0.1 (2020-08-03)
 ==================