diff --git a/helix-syntax/languages/tree-sitter-elixir b/helix-syntax/languages/tree-sitter-elixir
index 7ae20df18..f5d7bda54 160000
--- a/helix-syntax/languages/tree-sitter-elixir
+++ b/helix-syntax/languages/tree-sitter-elixir
@@ -1 +1 @@
-Subproject commit 7ae20df181b86c79d826abd5aec7a3e32e3d8438
+Subproject commit f5d7bda543da788bd507b05bd722627dde66c9ec
diff --git a/runtime/queries/elixir/highlights.scm b/runtime/queries/elixir/highlights.scm
index 82ef081db..33a84ace8 100644
--- a/runtime/queries/elixir/highlights.scm
+++ b/runtime/queries/elixir/highlights.scm
@@ -17,7 +17,7 @@
 
 ; Reserved keywords
 
-["when" "and" "or" "not" "in" "fn" "do" "end" "catch" "rescue" "after" "else"] @keyword
+["when" "and" "or" "not" "in" "not in" "fn" "do" "end" "catch" "rescue" "after" "else"] @keyword
 
 ; Operators