diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8281c924de..f83e3292c94 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ Blocks of changes will separated by version increments.
 ## **[Unreleased]**
 
 ## 0.5.1 - 2019-06-24
+- [#510](https://github.com/wasmerio/wasmer/pull/510) Simplify construction of floating point constants in LLVM backend. Fix LLVM assertion failure due to definition of %ctx.
 - [#508](https://github.com/wasmerio/wasmer/pull/508) Update wapm version, includes bug fixes
 
 ## 0.5.0 - 2019-06-17