diff --git a/Project.toml b/Project.toml
index 14d611a..097cf29 100644
--- a/Project.toml
+++ b/Project.toml
@@ -10,6 +10,6 @@ Markdown = "d6f4376e-aef5-505a-96c1-9c027394607a"
 Scratch = "6c6a2e73-6563-6170-7368-637461726353"
 
 [compat]
-Clang_jll = "^9, ^11, ^12"
+Clang_jll = "^9, ^11, ^12, 13"
 Scratch = "^1"
 julia = "^1.5"