diff --git a/Cargo.toml b/Cargo.toml
index 47f51e7..e1f3763 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ crossbeam-utils = { version = "0.8", default-features = false }
 portable-atomic = { version = "1", default-features = false, optional = true }
 
 [dev-dependencies]
-once_mut = "0.1.0"
+lock-free-static = "0.2.1"
 
 [[example]]
 name = "simple"
diff --git a/examples/global_static.rs b/examples/global_static.rs
index 99c4e9a..ed072f4 100644
--- a/examples/global_static.rs
+++ b/examples/global_static.rs
@@ -1,14 +1,14 @@
 #![no_std]
 
-use once_mut::once_mut;
+use lock_free_static::OnceMut;
 use ringbuf::{traits::*, StaticRb};
 
-once_mut! {
-    static mut RB: StaticRb::<i32, 1> = StaticRb::default();
-}
+static RB: OnceMut<StaticRb<i32, 1>> = OnceMut::new();
 
 fn main() {
-    let (mut prod, mut cons) = RB.take().unwrap().split_ref();
+    RB.set(StaticRb::default()).ok().expect("RB already initialized");
+
+    let (mut prod, mut cons) = RB.get_mut().expect("Mutable reference to RB already taken").split_ref();
 
     assert_eq!(prod.try_push(123), Ok(()));
     assert_eq!(prod.try_push(321), Err(321));