diff --git a/Cargo.toml b/Cargo.toml
index 25209bd..0236a0e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,14 +14,16 @@ serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 extism-pdk-derive = { path = "./derive", version = "1.4.1" }
 extism-manifest = { version = "1.10.0", optional = true }
-extism-convert = { version = "1.10.0", features = ["extism-pdk-path"] }
+extism-convert = { version = "1.10.0", default-features = false, features = ["extism-pdk-path"] }
 base64 = "0.22.1"
 
 [features]
-default = ["http", "msgpack"]
+default = ["http", "msgpack", "prost", "raw"]
 http = ["extism-manifest"]
 msgpack = ["extism-convert/msgpack"]
+prost = ["extism-convert/prost"]
 protobuf = ["extism-convert/protobuf"]
+raw = ["extism-convert/raw"]
 
 [workspace]
 members = [