diff --git a/Cargo.toml b/Cargo.toml
index 9eb3378..a79732a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-once_cell = { version = "1.10.0", default-features = false, features = ["std"], optional = true }
+once_cell = { version = "1.10.0", default-features = false, optional = true }
 rand_core = { version = "0.6", default-features = false, optional = true }
 rand_pcg = { version = "0.3.1", default-features = false, optional = true }
 
@@ -17,8 +17,8 @@ rand_core = { version = "0.6", default-features = false, optional = true, featur
 [features]
 default = ["rng", "pcg_rng", "io"]
 # Controls availability of the `rand` module, which provides seeding for `rand` (the crate) RNGs.
-rng = ["dep:rand_core"]
+rng = ["rand_core"]
 # Controls the availability of `obtain_rng`, which internally uses `rand_pcg`.
-pcg_rng = ["rng", "dep:rand_pcg"]
+pcg_rng = ["rng", "rand_pcg"]
 # Controls the availability of the cross platform `io` module.
-io = ["dep:once_cell"]
+io = ["once_cell"]
diff --git a/src/lib.rs b/src/lib.rs
index c4493fa..880f23e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,6 +8,7 @@
 //! ```text
 //! RUSTFLAGS='--cfg=ableOS' cargo build --target=wasm32-unknown-unknown
 //! ```
+#![no_std]
 
 #[macro_use]
 pub mod logger;