diff --git a/Cargo.lock b/Cargo.lock
index 35ac356..4bc9281 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -148,6 +148,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "dtoa"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56899898ce76aaf4a0f24d914c97ea6ed976d42fec6ad33fcbb0a1103e07b2b0"
+
 [[package]]
 name = "exitfailure"
 version = "0.5.1"
@@ -228,6 +234,12 @@ version = "0.2.93"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9385f66bf6105b241aa65a61cb923ef20efc665cb9f9bb50ac2f0c4b7f378d41"
 
+[[package]]
+name = "linked-hash-map"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.4.4"
@@ -343,17 +355,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "ron"
-version = "0.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "064ea8613fb712a19faf920022ec8ddf134984f100090764a4e1d768f3827f1f"
-dependencies = [
- "base64",
- "bitflags",
- "serde",
-]
-
 [[package]]
 name = "rust-argon2"
 version = "0.8.3"
@@ -372,8 +373,8 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "460d97902465327d69ecfe8cefdb5972c6f94d6127ac9e992acdb51458bebc27"
 dependencies = [
- "ron",
  "serde",
+ "serde_yaml",
  "tempfile",
  "thiserror",
 ]
@@ -404,6 +405,18 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_yaml"
+version = "0.8.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15654ed4ab61726bf918a39cb8d98a2e2995b002387807fa6ba58fdf7f59bb23"
+dependencies = [
+ "dtoa",
+ "linked-hash-map",
+ "serde",
+ "yaml-rust",
+]
+
 [[package]]
 name = "strsim"
 version = "0.8.0"
@@ -535,7 +548,16 @@ dependencies = [
  "clap",
  "directories",
  "exitfailure",
- "ron",
  "rustbreak",
  "serde",
+ "serde_yaml",
+]
+
+[[package]]
+name = "yaml-rust"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
+dependencies = [
+ "linked-hash-map",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 43d4a46..5fd721b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,9 +11,9 @@ version = "0.1.0"
 clap = "2.33.3"
 directories = "3.0.1"
 exitfailure = "0.5.1"
-ron = "0.6.4"
-serde = "1.0.125"
+serde = {version = "1.0", features = ["derive"]}
+serde_yaml = ""
 
 [dependencies.rustbreak]
-features = ["ron_enc"]
+features = ["yaml_enc"]
 version = "2"
diff --git a/src/main.rs b/src/main.rs
index f1ae2bd..71712c2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,38 +1,73 @@
 use directories::ProjectDirs;
 use exitfailure::ExitFailure;
-use rustbreak::{deser::Ron, PathDatabase};
+use rustbreak::{deser::Yaml, PathDatabase};
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::io::{Error, ErrorKind};
 
+#[derive(Serialize, Deserialize, Clone, Debug)]
+enum Version {
+    V1,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug)]
+struct Doc {
+    // If data type changes, up the version and write migration.
+    version: Version,
+    data: serde_yaml::Value,
+}
+
+impl Default for Doc {
+    fn default() -> Self {
+        let data: V1Data = HashMap::new();
+        Doc {
+            version: Version::V1,
+            data: serde_yaml::to_value(data).expect("yaml opps"),
+        }
+    }
+}
+
+type V1Data = HashMap<u32, Entity>;
+
 #[derive(Serialize, Deserialize, Clone, Debug)]
 struct Entity {
     id: String,
 }
 
+fn edit_data<F>(db: &mut Doc, f: F)
+where
+    F: Fn(&mut V1Data) -> (),
+{
+    let val: &mut V1Data = &mut serde_yaml::from_value(db.data.clone()).expect("err");
+    f(val);
+    db.data = serde_yaml::to_value(val).expect("err");
+}
+
 fn main() -> Result<(), ExitFailure> {
     let proj_dirs =
         ProjectDirs::from("ca", "srid", "X").ok_or(Error::new(ErrorKind::Other, "No Home"))?;
-    let ron_file = proj_dirs.data_dir().with_extension("ron");
+    let db_file = proj_dirs.data_dir().with_extension("yaml");
 
-    let db = PathDatabase::<HashMap<u32, Entity>, Ron>::load_from_path(ron_file)?;
+    let db = PathDatabase::<Doc, Yaml>::load_from_path_or_default(db_file)?;
 
     db.read(|db| {
-        println!("Init: {:?}", db.get(&0));
+        println!("Init: {:?}", db.data);
     })?;
 
     db.write(|db| {
-        db.insert(
-            0,
-            Entity {
-                id: "test".to_string(),
-            },
-        );
+        edit_data(db, |val: &mut V1Data| {
+            val.insert(
+                0,
+                Entity {
+                    id: "test".to_string(),
+                },
+            );
+        });
     })?;
     db.save()?;
 
     db.read(|db| {
-        println!("Just wrote: {:?}", db.get(&0));
+        println!("Writ: {:?}", db.data);
     })?;
 
     Ok(())