diff --git a/agb-image-converter/Cargo.toml b/agb-image-converter/Cargo.toml
index 6f845b2d..05af5119 100644
--- a/agb-image-converter/Cargo.toml
+++ b/agb-image-converter/Cargo.toml
@@ -13,7 +13,7 @@ proc-macro = true
 image = { version = "0.23", default-features = false, features = [ "png", "bmp" ] }
 toml = "0.5"
 serde = { version = "1", features = ["derive"] }
-syn = "1"
+syn = { version = "1", features = ["full"] }
 proc-macro2 = "1"
 quote = "1"
 asefile = "0.3.4"