diff --git a/CHANGELOG.md b/CHANGELOG.md
index 30fda852..150de185 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,8 @@
 
   - Previous version using Angstrom causes stack overflow in JS targets
 
+- Refreshed tzdb
+
 ## Timedesc 0.9.0
 
 - Moved sexp code into `timedesc-sexp` to further reduce core dependencies