diff --git a/packages/message-hash/.prettierignore b/packages/message-hash/.prettierignore
index fecb37a393..d8763f9fc7 100644
--- a/packages/message-hash/.prettierignore
+++ b/packages/message-hash/.prettierignore
@@ -2,3 +2,4 @@ build
 bundle
 dist
 node_modules
+CHANGELOG.md