diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b3c3d9..0f54f74 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# v2.3.6
+
+* Add `interval` property to `Clock`
+
 # v2.3.5
 
 * Fix `references` input for `PositionList` and `PositionListOfLists`
diff --git a/src/czml3/__init__.py b/src/czml3/__init__.py
index 22a5b7f..64f1c93 100644
--- a/src/czml3/__init__.py
+++ b/src/czml3/__init__.py
@@ -1,5 +1,5 @@
 from .core import CZML_VERSION, Document, Packet
 
-__version__ = "2.3.5"
+__version__ = "2.3.6"
 
 __all__ = ["Document", "Packet", "CZML_VERSION"]