diff --git a/CHANGELOG.md b/CHANGELOG.md
index be289ae880..8859cacae1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,8 @@ Versions with only mechanical changes will be omitted from the following list.
 
 ## 0.4.20 (unreleased)
 
+* Fix build for wasm32-unknown-emscripten (@yu-re-ka #593)
+
 ## 0.4.19
 
 * Correct build on solaris/illumos