diff --git a/CHANGELOG.md b/CHANGELOG.md
index aafa39682cdc4b70d121cc13fa837b10e86e3454..efc8a33cddb54af0b8faa00ae4b62da15fcbcdc4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ Note that since we don't clearly distinguish between a public and private interf
 
 ## [Unreleased]
 
+- Fix 'once' for animations of systems with many frames
+
 ## [v3.26.0] - 2022-12-04
 
 - Support for ``powerPreference`` webgl attribute. Add ``PluginConfig.General.PowerPreference`` and ``power-preference`` Viewer GET param.
diff --git a/package.json b/package.json
index e85b86797ab0ad7a498116237720fb2c9637ffde..ab2d6c2187773f76a504515c3aa09294e4fa3a4e 100644
--- a/package.json
+++ b/package.json
@@ -93,7 +93,8 @@
     "Adam Midlik <midlik@gmail.com>",
     "Koya Sakuma <koya.sakuma.work@gmail.com>",
     "Gianluca Tomasello <giagitom@gmail.com>",
-    "Jason Pattle <jpattle@exscientia.co.uk>"
+    "Jason Pattle <jpattle@exscientia.co.uk>",
+    "David Williams <dwilliams@nobiastx.com>"
   ],
   "license": "MIT",
   "devDependencies": {