diff --git a/Cargo.toml b/Cargo.toml
index 1bad252..aad4b56 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ version = "1.1.1"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rand = "0.7.3"
+rand = "0.8.2"
 cfg-if = "1.0.0"
 
 [target.'cfg(unix)'.dependencies.libc]
diff --git a/src/lib.rs b/src/lib.rs
index 3100863..24e34f2 100755
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -397,7 +397,7 @@ where
     #[inline]
     fn random_index(&self) -> usize {
         let mut rng = self.state().rng.lock();
-        rng.gen_range(0, SHUFFLING_ARRAY_SIZE)
+        rng.gen_range(0..SHUFFLING_ARRAY_SIZE)
     }
 
     #[inline]