diff --git a/Cargo.toml b/Cargo.toml
index 8491667..02ececa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ serde_derive = "1.0"
 serde_json = "1.0"
 sha2 = "0.9"
 unchecked_unwrap = "3.0"
-packed_simd_2 = "0.3"
+packed_simd = "0.3"
 jemallocator = { version = "0.3.2", optional = true }
 log = "0.4"
 indicatif = "0.16"
diff --git a/src/lf1.rs b/src/lf1.rs
index b90a133..77cf148 100644
--- a/src/lf1.rs
+++ b/src/lf1.rs
@@ -7,7 +7,7 @@ use crate::{
 use itertools::Itertools;
 use m4ri_rust::friendly::BinMatrix;
 use m4ri_rust::friendly::BinVector;
-use packed_simd_2::i64x4;
+use packed_simd::i64x4;
 use rayon::prelude::*;
 use std::{
     ops,