diff --git a/changelog.txt b/changelog.txt
index 018510e9..b201bbf5 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -11,6 +11,7 @@ OPENSEADRAGON CHANGELOG
 * You can now provide an element for the navigator (as an alternative to an ID) (#1303 @cameronbaney, #2166 #2175 @joedf)
 * Now supporting IIIF "id" and "identifier" in addition to "@id" (#2173 @ahankinson)
 * We now delegate tile fetching and caching to the TileSource, to allow for custom tile formats (#2148 @Aiosa)
+* Added support for dynamic URLs from tile sources (#2247 @JohnReagan)
 * The viewer now emits before-destroy and destroy events (#2239 @pearcetm)
 * Improved documentation (#2211 @shyamkumaryadav)
 * Fixed: Cropping tiled images with polygons was broken (#2183 @altert)