diff --git a/lib/macro/internal/Cargo.toml b/lib/macro/internal/Cargo.toml
index 6d64cf5..5b320d6 100644
--- a/lib/macro/internal/Cargo.toml
+++ b/lib/macro/internal/Cargo.toml
@@ -13,5 +13,5 @@ include = ["Cargo.toml", "LICENSE", "README.md", "src/lib.rs"]
 proc-macro = true
 
 [dependencies]
-data-encoding = { version = "2.3", path = "../.." }
+data-encoding = { version = "2.3", path = "../..", default-features = false, features = ["alloc"] }
 syn = "1"