diff --git a/CHANGELOG.md b/CHANGELOG.md
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--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## [1.5.0]
-* add support for `hmac_valid` which verifies a HMAC from a push notification using the client's secret.[#111]
+* add support for PHP 8
+* add `hmacValid` to verify a webhook call genuinely originated from Cronofy [#111]
 
 ## [1.4.0]
 * add support for `recurrence` key on upsertEvent (this is currently pre-release and not generally available yet)