diff --git a/macro/Cargo.toml b/macro/Cargo.toml
index 962caab770..1b9469b9f9 100644
--- a/macro/Cargo.toml
+++ b/macro/Cargo.toml
@@ -20,7 +20,7 @@ proc-macro2 = "1"
 quote = "1"
 regex = "1.10.6"
 syn = { version = "2", features = ["full"] }
-tblgen = { version = "0.4.0", features = [
+tblgen = { version = "0.3.0", features = [
   "llvm19-0",
 ], default-features = false, git = "https://github.com/edg-l/tblgen-rs-alt.git", package = "tblgen-alt" }
 unindent = "0.2.3"