diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 0d23709..4aa8c0d 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,12 @@
+Aiapy 0.5.1 (2021-05-24)
+========================
+
+Backwards Incompatible Changes
+------------------------------
+
+- Pin sunpy dependency to ``<=3.0`` to allow for backwards compatibility with ``search_metadata``. (`#111 <https://github.com/sunpy/aiapy/pull/111>`__)
+
+
 Aiapy 0.5.0 (2021-04-09)
 ========================