diff --git a/Cargo.lock b/Cargo.lock
index 8b368c8..6f36f08 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -10,16 +10,28 @@ dependencies = [
  "bincode",
  "chrono",
  "openssl",
+ "r2d2",
+ "r2d2_sqlite",
  "reqwest",
  "serde",
  "serde_json",
- "sled",
  "tokio",
  "tower-http",
  "tracing",
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "ahash"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c99f64d1e06488f620f932677e24bc6e2897582980441ae90a671415bd7ec2f"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -60,7 +72,7 @@ checksum = "f8175979259124331c1d7bf6586ee7e0da434155e4b2d48ec2c8386281d8df39"
 dependencies = [
  "async-trait",
  "axum-core",
- "bitflags",
+ "bitflags 1.3.2",
  "bytes",
  "futures-util",
  "http",
@@ -122,18 +134,18 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6776fc96284a0bb647b615056fc496d1fe1644a7ab01829818a6d91cae888b84"
+
 [[package]]
 name = "bumpalo"
 version = "3.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a3e2c3daef883ecc1b5d58c15adae93470a91d425f3532ba1695849656af3fc1"
 
-[[package]]
-name = "byteorder"
-version = "1.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
-
 [[package]]
 name = "bytes"
 version = "1.4.0"
@@ -184,37 +196,6 @@ version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
 
-[[package]]
-name = "crc32fast"
-version = "1.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b540bd8bc810d3885c6ea91e2018302f68baba2129ab3e88f32389ee9370880d"
-dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "crossbeam-epoch"
-version = "0.9.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46bd5f3f85273295a9d14aedfb86f6aadbff6d8f5295c4a9edb08e819dcf5695"
-dependencies = [
- "autocfg",
- "cfg-if",
- "crossbeam-utils",
- "memoffset",
- "scopeguard",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.8.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c063cd8cc95f5c377ed0d4b49a4b21f632396ff690e8470c29b3359b346984b"
-dependencies = [
- "cfg-if",
-]
-
 [[package]]
 name = "encoding_rs"
 version = "0.8.32"
@@ -245,6 +226,18 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "fallible-iterator"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
+
+[[package]]
+name = "fallible-streaming-iterator"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7360491ce676a36bf9bb3c56c1aa791658183a54d2744120f27285738d90465a"
+
 [[package]]
 name = "fastrand"
 version = "1.9.0"
@@ -284,16 +277,6 @@ dependencies = [
  "percent-encoding",
 ]
 
-[[package]]
-name = "fs2"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9564fc758e15025b46aa6643b1b77d047d1a56a1aea6e01002ac0c7026876213"
-dependencies = [
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "futures-channel"
 version = "0.3.28"
@@ -334,12 +317,14 @@ dependencies = [
 ]
 
 [[package]]
-name = "fxhash"
-version = "0.2.1"
+name = "getrandom"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
+checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
 dependencies = [
- "byteorder",
+ "cfg-if",
+ "libc",
+ "wasi 0.11.0+wasi-snapshot-preview1",
 ]
 
 [[package]]
@@ -367,6 +352,24 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
+dependencies = [
+ "ahash",
+]
+
+[[package]]
+name = "hashlink"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0761a1b9491c4f2e3d66aa0f62d0fba0af9a0e2852e4d48ea506632a4b56e6aa"
+dependencies = [
+ "hashbrown 0.13.2",
+]
+
 [[package]]
 name = "hermit-abi"
 version = "0.2.6"
@@ -512,7 +515,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
 ]
 
 [[package]]
@@ -568,6 +571,16 @@ version = "0.2.144"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b00cc1c228a6782d0f076e7b232802e0c5689d41bb5df366f2a6b6621cfdfe1"
 
+[[package]]
+name = "libsqlite3-sys"
+version = "0.26.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "afc22eff61b133b115c6e8c74e818c628d6d5e7a502afea6f64dee076dd94326"
+dependencies = [
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.3.8"
@@ -611,15 +624,6 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
-[[package]]
-name = "memoffset"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "mime"
 version = "0.3.17"
@@ -696,7 +700,7 @@ version = "0.10.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "12df40a956736488b7b44fe79fe12d4f245bb5b3f5a1f6095e499760015be392"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "cfg-if",
  "foreign-types",
  "libc",
@@ -750,17 +754,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
 
-[[package]]
-name = "parking_lot"
-version = "0.11.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
-dependencies = [
- "instant",
- "lock_api",
- "parking_lot_core 0.8.6",
-]
-
 [[package]]
 name = "parking_lot"
 version = "0.12.1"
@@ -768,21 +761,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
 dependencies = [
  "lock_api",
- "parking_lot_core 0.9.7",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.8.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60a2cfe6f0ad2bfc16aefa463b497d5c7a5ecd44a23efa72aa342d90177356dc"
-dependencies = [
- "cfg-if",
- "instant",
- "libc",
- "redox_syscall 0.2.16",
- "smallvec",
- "winapi",
+ "parking_lot_core",
 ]
 
 [[package]]
@@ -842,6 +821,12 @@ version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.59"
@@ -860,13 +845,65 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r2d2"
+version = "0.8.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51de85fb3fb6524929c8a2eb85e6b6d363de4e8c48f9e2c2eac4944abc181c93"
+dependencies = [
+ "log",
+ "parking_lot",
+ "scheduled-thread-pool",
+]
+
+[[package]]
+name = "r2d2_sqlite"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99f31323d6161385f385046738df520e0e8694fa74852d35891fc0be08348ddc"
+dependencies = [
+ "r2d2",
+ "rusqlite",
+ "uuid",
+]
+
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -875,7 +912,7 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -965,13 +1002,27 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "rusqlite"
+version = "0.29.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "549b9d036d571d42e6e85d1c1425e2ac83491075078ca9a15be021c56b1641f2"
+dependencies = [
+ "bitflags 2.3.1",
+ "fallible-iterator",
+ "fallible-streaming-iterator",
+ "hashlink",
+ "libsqlite3-sys",
+ "smallvec",
+]
+
 [[package]]
 name = "rustix"
 version = "0.37.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acf8729d8542766f1b2cf77eb034d52f40d375bb8b615d0b147089946e16613d"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "errno",
  "io-lifetimes",
  "libc",
@@ -1031,6 +1082,15 @@ dependencies = [
  "windows-sys 0.42.0",
 ]
 
+[[package]]
+name = "scheduled-thread-pool"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3cbc66816425a074528352f5789333ecff06ca41b36b0b0efdfbb29edc391a19"
+dependencies = [
+ "parking_lot",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -1053,7 +1113,7 @@ version = "2.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1fc758eb7bffce5b308734e9b0c1468893cae9ff70ebf13e7090be8dcbcc83a8"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "core-foundation",
  "core-foundation-sys",
  "libc",
@@ -1149,22 +1209,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "sled"
-version = "0.34.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f96b4737c2ce5987354855aed3797279def4ebf734436c6aa4552cf8e169935"
-dependencies = [
- "crc32fast",
- "crossbeam-epoch",
- "crossbeam-utils",
- "fs2",
- "fxhash",
- "libc",
- "log",
- "parking_lot 0.11.2",
-]
-
 [[package]]
 name = "smallvec"
 version = "1.10.0"
@@ -1264,7 +1308,7 @@ dependencies = [
  "libc",
  "mio",
  "num_cpus",
- "parking_lot 0.12.1",
+ "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2",
@@ -1339,7 +1383,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5d1d42a9b3f3ec46ba828e8d376aec14592ea199f70a06a548587ecd1c4ab658"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "bytes",
  "futures-core",
  "futures-util",
@@ -1471,6 +1515,16 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "uuid"
+version = "1.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "345444e32442451b267fc254ae85a209c64be56d2890e601a0c37ff0c3c5ecd2"
+dependencies = [
+ "getrandom",
+ "rand",
+]
+
 [[package]]
 name = "valuable"
 version = "0.1.0"
@@ -1483,6 +1537,12 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+
 [[package]]
 name = "want"
 version = "0.3.0"
diff --git a/Cargo.toml b/Cargo.toml
index b5cd6f2..299f4dc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,9 +12,10 @@ serde_json = "1.0.96"
 tokio = { version = "1.0", features = ["full"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
-sled = "0.34"
 reqwest = { version = "0.11", features = ["rustls-tls-webpki-roots", "rustls", "json"] }
 openssl = { version = "0.10", features = ["vendored"] }
 bincode = "1.3"
 chrono = { version = "0.4", features = ["serde"] }
-tower-http = { version = "0.4", features = ["trace"] }
\ No newline at end of file
+tower-http = { version = "0.4", features = ["trace"] }
+r2d2_sqlite = "0.22"
+r2d2 = "0.8"
\ No newline at end of file
diff --git a/src/handlers.rs b/src/handlers.rs
index 28aa895..da72987 100644
--- a/src/handlers.rs
+++ b/src/handlers.rs
@@ -6,13 +6,19 @@ use axum::{
     extract::{Path, State},
     Json,
 };
+use r2d2_sqlite::{rusqlite::params, SqliteConnectionManager};
 use tokio::task::JoinSet;
 
-pub async fn get_one_world(State(db): State<sled::Db>, Path(world): Path<i32>) -> Json<Response> {
+pub async fn get_one_world(
+    State(db): State<r2d2::Pool<SqliteConnectionManager>>,
+    Path(world): Path<i32>,
+) -> Json<Response> {
     Json(get_world(db, world, false).await)
 }
 
-pub async fn get_all_worlds(State(db): State<sled::Db>) -> Json<Vec<Response>> {
+pub async fn get_all_worlds(
+    State(db): State<r2d2::Pool<SqliteConnectionManager>>,
+) -> Json<Vec<Response>> {
     let mut set = JoinSet::new();
     let mut worlds = vec![Response::default(); 8];
 
@@ -29,7 +35,11 @@ pub async fn get_all_worlds(State(db): State<sled::Db>) -> Json<Vec<Response>> {
     Json(worlds)
 }
 
-pub async fn get_world(db: sled::Db, world: i32, skip_cache: bool) -> Response {
+pub async fn get_world(
+    db: r2d2::Pool<SqliteConnectionManager>,
+    world: i32,
+    skip_cache: bool,
+) -> Response {
     if !skip_cache {
         if let Ok(data) = world_from_cache(db.clone(), world) {
             return data;
@@ -74,14 +84,16 @@ pub async fn get_world(db: sled::Db, world: i32, skip_cache: bool) -> Response {
     response
 }
 
-fn world_from_cache(db: sled::Db, world: i32) -> Result<Response, ()> {
-    let key = format!("world:{}", world);
-    let value = match db.get(key) {
-        Ok(Some(value)) => value,
-        _ => return Err(()),
-    };
+fn world_from_cache(db: r2d2::Pool<SqliteConnectionManager>, world: i32) -> Result<Response, ()> {
+    let db = db.get().unwrap();
+    let mut query = db.prepare("SELECT data FROM worlds WHERE id = ?").unwrap();
+    let value: Result<Vec<u8>, _> = query.query_row(params![world], |r| r.get(0));
 
-    match bincode::deserialize::<Response>(&value) {
+    if value.is_err() {
+        return Err(());
+    }
+
+    match bincode::deserialize::<Response>(value.unwrap().as_slice()) {
         Ok(response) => {
             if response.cached_at + chrono::Duration::minutes(5) < chrono::Utc::now() {
                 return Err(());
@@ -92,8 +104,9 @@ fn world_from_cache(db: sled::Db, world: i32) -> Result<Response, ()> {
     }
 }
 
-fn world_to_cache(db: sled::Db, world: i32, response: &Response) {
-    let key = format!("world:{}", world);
+fn world_to_cache(db: r2d2::Pool<SqliteConnectionManager>, world: i32, response: &Response) {
     let value = bincode::serialize(response).unwrap();
-    db.insert(key, value).unwrap();
+    let db = db.get().unwrap();
+    let mut query = db.prepare("INSERT INTO worlds (id, data) VALUES (?, ?) ON CONFLICT DO UPDATE SET data=excluded.data").unwrap();
+    query.execute(params![world, value]).unwrap();
 }
diff --git a/src/main.rs b/src/main.rs
index f906399..4418029 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,6 @@
 use crate::handlers::{get_all_worlds, get_one_world, get_world};
 use axum::{response::Html, routing::get, Router};
+use r2d2_sqlite::{rusqlite::params, SqliteConnectionManager};
 use std::net::SocketAddr;
 use tokio::task::JoinSet;
 use tower_http::trace::TraceLayer;
@@ -14,7 +15,15 @@ async fn main() {
         .with_env_filter("tower_http=trace")
         .init();
 
-    let db = sled::open("/tmp/agg-population").expect("open");
+    let sqlite_manager = SqliteConnectionManager::memory();
+    let pool = r2d2::Pool::new(sqlite_manager).unwrap();
+    pool.get()
+        .unwrap()
+        .execute(
+            "CREATE TABLE worlds (id INTEGER NOT NULL PRIMARY KEY, data BLOB);",
+            params![],
+        )
+        .unwrap();
 
     let app = Router::new()
         .route("/", get(root))
@@ -22,13 +31,13 @@ async fn main() {
         .route("/population/all", get(get_all_worlds))
         .route("/population/:world", get(get_one_world))
         .layer(TraceLayer::new_for_http())
-        .with_state(db.clone());
+        .with_state(pool.clone());
 
     tokio::spawn(async move {
         loop {
             let mut set = JoinSet::new();
             for world in vec![1, 10, 13, 17, 19, 40, 1000, 2000] {
-                set.spawn(get_world(db.clone(), world, true));
+                set.spawn(get_world(pool.clone(), world, true));
             }
 
             while let Some(_) = set.join_next().await {}