diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6bdb7f7..ef65d9d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 ### Fixes
 
 - Fix #line reset directives
+- Update keyword list in extra/vim/syntax/propane.vim
 
 ## v4.4.0
 
diff --git a/extra/vim/syntax/propane.vim b/extra/vim/syntax/propane.vim
index 64c4f54..74f8378 100644
--- a/extra/vim/syntax/propane.vim
+++ b/extra/vim/syntax/propane.vim
@@ -20,7 +20,7 @@ syn match propaneOperator "->"
 syn match propaneFieldAlias ":[a-zA-Z0-9_]\+" contains=propaneFieldOperator
 syn match propaneFieldOperator ":" contained
 syn match propaneOperator "?"
-syn keyword propaneKeyword drop free_token_node free_token_user_fields module prefix ptype start token token_user_fields tokenid tree tree_prefix tree_suffix
+syn keyword propaneKeyword context_user_fields drop free_token_node lex_fn module noline on_token_node prefix ptype start token token_user_fields tokenid tree tree_prefix tree_suffix
 
 syn region propaneRegex start="/" end="/" skip="\v\\\\|\\/"