diff --git a/changelog.md b/changelog.md
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--- a/changelog.md
+++ b/changelog.md
@@ -3,6 +3,7 @@
 * Fix an issue preventing injected debug handlers from working
 * Fix an issue relating to connection timeout
 * Add `SMTP::MAX_REPLY_LENGTH` constant
+* Remove some dev dependencies; phpdoc no longer included
 
 ## Version 6.1.2 (November 13th, 2019) 
 * Substantial revision of DKIM header generation