diff --git a/contained/Cargo.toml b/contained/Cargo.toml
index e36413e..57be3e3 100644
--- a/contained/Cargo.toml
+++ b/contained/Cargo.toml
@@ -21,9 +21,15 @@ test = false
 default = ["core", "music", "turing"]
 full = ["core", "music", "turing"]
 
-core = ["contained-core"]
-music = ["contained-music"]
-turing = ["contained-turing"]
+core = [
+    "dep:contained-core"
+]
+music = [
+    "dep:contained-music"
+]
+turing = [
+    "dep:contained-turing"
+]
 
 [lib]
 bench = true
@@ -42,7 +48,7 @@ contained-turing = { features = [], optional = true, path = "../turing", version
 anyhow.workspace = true
 async-trait.workspace = true
 bytes.workspace = true
-decanter = { features = ["derive"], version = "0.1.5" }
+decanter = { features = ["derive"], version = "0.1.6" }
 futures.workspace = true
 glob = "0.3"
 lazy_static = "1"
diff --git a/contained/src/agents/layer/command.rs b/contained/src/agents/layer/command.rs
index dd194f9..ebabc0d 100644
--- a/contained/src/agents/layer/command.rs
+++ b/contained/src/agents/layer/command.rs
@@ -10,13 +10,13 @@
 use super::OneshotSender;
 use crate::music::neo::LPR;
 use crate::prelude::BoxedWasmValue;
-// use decanter::prelude::H256;
+use decanter::prelude::H256;
 use wasmer::Imports;
 
 #[derive(Debug)]
 pub enum Command {
     Execute {
-        module: String,
+        module: H256,
         function: String,
         args: BoxedWasmValue,
         with: Option<Imports>,
@@ -24,10 +24,10 @@ pub enum Command {
     },
     Include {
         bytes: Vec<u8>,
-        tx: OneshotSender<String>,
+        tx: OneshotSender<H256>,
     },
     Transform {
-        id: String,
+        id: H256,
         dirac: LPR,
         tx: OneshotSender,
     },
@@ -35,7 +35,7 @@ pub enum Command {
 
 impl Command {
     pub fn execute(
-        module: String,
+        module: H256,
         function: String,
         args: BoxedWasmValue,
         with: Option<Imports>,
@@ -49,10 +49,10 @@ impl Command {
             tx,
         }
     }
-    pub fn include(bytes: Vec<u8>, tx: OneshotSender<String>) -> Self {
+    pub fn include(bytes: Vec<u8>, tx: OneshotSender<H256>) -> Self {
         Self::Include { bytes, tx }
     }
-    pub fn transform(id: String, dirac: LPR, tx: OneshotSender) -> Self {
+    pub fn transform(id: H256, dirac: LPR, tx: OneshotSender) -> Self {
         Self::Transform { id, dirac, tx }
     }
 }
diff --git a/contained/src/cluster/stack.rs b/contained/src/cluster/stack.rs
index 324e3c9..4ee190e 100644
--- a/contained/src/cluster/stack.rs
+++ b/contained/src/cluster/stack.rs
@@ -4,14 +4,14 @@
     Description: The stack is a collection of modules and environments that are availible to the cluster
 */
 use crate::agents::VirtualEnv;
-// use decanter::prelude::H256;
+use decanter::prelude::H256;
 use std::collections::HashMap;
 use std::sync::{Arc, RwLock};
 use wasmer::Module;
 
 pub struct Stack {
-    pub envs: Arc<RwLock<HashMap<String, VirtualEnv>>>,
-    pub modules: Arc<RwLock<HashMap<String, Module>>>,
+    pub envs: Arc<RwLock<HashMap<H256, VirtualEnv>>>,
+    pub modules: Arc<RwLock<HashMap<H256, Module>>>,
 }
 
 impl Stack {