diff --git a/Cargo.lock b/Cargo.lock
index 915d492..ff0dc3a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,4 +1,61 @@
+[[package]]
+name = "proc-macro2"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "quote"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rustijvm"
 version = "0.1.0"
+dependencies = [
+ "serde 1.0.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.65 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
+[[package]]
+name = "serde"
+version = "1.0.65"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "serde_derive"
+version = "1.0.65"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "syn"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "unicode-xid"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[metadata]
+"checksum proc-macro2 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "1fa93823f53cfd0f5ac117b189aed6cfdfb2cfc0a9d82e956dd7927595ed7d46"
+"checksum quote 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e44651a0dc4cdd99f71c83b561e221f714912d11af1a4dff0631f923d53af035"
+"checksum serde 1.0.65 (registry+https://github.com/rust-lang/crates.io-index)" = "5d47469df098fe8701d4da22680da5145e83801bdaaafea0cf91a180436fc343"
+"checksum serde_derive 1.0.65 (registry+https://github.com/rust-lang/crates.io-index)" = "35eff0f5f70b6a2e902a2bbf4b079be4aacb14afc9676ba4798e0486401cedcb"
+"checksum syn 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6dfd71b2be5a58ee30a6f8ea355ba8290d397131c00dfa55c3d34e6e13db5101"
+"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
diff --git a/Cargo.toml b/Cargo.toml
index 6183d1b..888ca5f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,6 +4,8 @@ version = "0.1.0"
 authors = ["Jur van den Berg <Jurl.berg@gmail.com>"]
 
 [dependencies]
+serde = "1.0"
+serde_derive = "1.0"
 
 [features]
 default = ["bonus", "extra"]
diff --git a/src/disassembler.rs b/src/disassembler.rs
index 8f2df2a..7b06d42 100644
--- a/src/disassembler.rs
+++ b/src/disassembler.rs
@@ -6,11 +6,11 @@ use Result;
 use ops;
 
 use std::clone::Clone;
-use core::fmt;
+use std::fmt;
 
 type OpCode = u8;
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Serialize)]
 pub struct Instruction {
     op: OpCode,
     name: &'static str,
@@ -54,7 +54,7 @@ impl fmt::Display for Instruction {
     }
 }
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Serialize)]
 pub struct Constant {
     value: i32,
     method: bool,
@@ -69,7 +69,7 @@ impl Constant {
     }
 }
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Serialize)]
 pub struct Method {
     name: String,
     pos: usize,
@@ -334,7 +334,7 @@ impl Disassembler {
     }
 }
 
-#[derive(Debug, Default, Clone)]
+#[derive(Debug, Default, Clone, Serialize)]
 pub struct Disassembly {
     constants: Vec<Constant>,
     methods: Vec<Method>,
diff --git a/src/lib.rs b/src/lib.rs
index caadf4e..a6bf2db 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,5 @@
-extern crate core;
+#[macro_use]
+extern crate serde_derive;
 
 pub mod ijvmreader;
 pub mod binread;
diff --git a/src/ops.rs b/src/ops.rs
index 09440af..ef3ed74 100644
--- a/src/ops.rs
+++ b/src/ops.rs
@@ -6,7 +6,7 @@ use std::io::{Read};
 
 pub type OpFunc = fn(&mut Machine) -> Result<()>;
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Serialize, Deserialize)]
 pub enum Args {
     Byte,
     Short,