diff --git a/examples/todo/Cargo.toml b/examples/todo/Cargo.toml
index 2478841f..4fddee3e 100644
--- a/examples/todo/Cargo.toml
+++ b/examples/todo/Cargo.toml
@@ -15,7 +15,7 @@ diesel_migrations = "1.3"
 log = "0.4"
 
 [dev-dependencies]
-parking_lot = { version = "0.10", features = ["nightly"] }
+parking_lot = "0.11"
 rand = "0.7"
 
 [dependencies.rocket_contrib]
diff --git a/examples/todo/src/tests.rs b/examples/todo/src/tests.rs
index 1c4b2dc9..f4f72f3a 100644
--- a/examples/todo/src/tests.rs
+++ b/examples/todo/src/tests.rs
@@ -9,7 +9,7 @@ use rocket::http::{Status, ContentType};
 // We use a lock to synchronize between tests so DB operations don't collide.
 // For now. In the future, we'll have a nice way to run each test in a DB
 // transaction so we can regain concurrency.
-static DB_LOCK: Mutex<()> = Mutex::new(());
+static DB_LOCK: Mutex<()> = parking_lot::const_mutex(());
 
 macro_rules! run_test {
     (|$client:ident, $conn:ident| $block:expr) => ({