diff --git a/CHANGELOG.md b/CHANGELOG.md
index 057d525d..32a7a7b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## 0.12.0 (unreleased)
 
+- Add 2 syntax highlighting themes: `green` and `railsbase16-green-screen-dark`
+
 ## 0.11.0 (2020-05-25)
 
 ### Breaking