diff --git a/CHANGELOG.md b/CHANGELOG.md
index 15129340..d02239a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ The first Python 3 ONLY capa version.
 ### Changes
 
 - py3: drop Python 2 support #480 @Ana06
+- deps: bump ruamel yaml parser to 0.17.4 #519 @williballenthin
 
 ### Development