diff --git a/changelog.txt b/changelog.txt
index 98937a00..28232fd2 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,6 +1,8 @@
 OPENSEADRAGON CHANGELOG
 =======================
 
+5.0.0: (in progress...)
+
 4.1.0:
 
 * NEW BEHAVIOR: When `navigatorRotate` is false, while the navigator image doesn't rotate, the red outline now does (#2356 @lcl45)