diff --git a/Cargo.toml b/Cargo.toml
index 4cb6c06..9941ed6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,6 @@ thiserror = "*"
 rand = "*"
 bimap = "*"
 enum_dispatch = "*"
-rand_core = "*"
 rand_chacha = "*"
 
 [dev-dependencies]
diff --git a/src/tools.rs b/src/tools.rs
index 858923e..8cec2a2 100644
--- a/src/tools.rs
+++ b/src/tools.rs
@@ -4,7 +4,7 @@ use crate::params;
 use crate::params::ParamsTrait;
 use ndarray::prelude::*;
 use rand_chacha::ChaCha8Rng;
-use rand_core::SeedableRng;
+use rand_chacha::rand_core::SeedableRng;
 
 pub struct Trajectory {
     pub time: Array1<f64>,
diff --git a/tests/params.rs b/tests/params.rs
index 8ab81c1..255aba6 100644
--- a/tests/params.rs
+++ b/tests/params.rs
@@ -2,7 +2,7 @@ use ndarray::prelude::*;
 use rustyCTBN::params::*;
 use std::collections::BTreeSet;
 use rand_chacha::ChaCha8Rng;
-use rand_core::SeedableRng;
+use rand_chacha::rand_core::SeedableRng;
 
 mod utils;