diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index adf52a8..1e8d6ce 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -54,7 +54,7 @@ jobs:
           - os: ubuntu-latest
             target: x86_64-unknown-linux-gnu
             variant: MSRV
-            toolchain: 1.63.0
+            toolchain: 1.85.0
           - os: ubuntu-latest
             deps: sudo apt-get update ; sudo apt install gcc-multilib
             target: i686-unknown-linux-gnu
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 64def47..20d366d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,13 +4,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.5.0] - 2026-02-02
 
-- Rename `Seeder::make_rng` → `Seeder::into_rng`
+- Bump MSRV to 1.85.0 (#22)
+- Update to `rand_core` v0.10 (#22)
 
 ## [0.4.0] - 2025-01-27
 
 - Update to `rand_core` v0.9
+- Rename `Seeder::make_rng` → `Seeder::into_rng` (#11)
 
 ## [0.3.0] - 2024-07-31
 
diff --git a/Cargo.toml b/Cargo.toml
index 6c76818..cc56b6c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rand_seeder"
-version = "0.4.0" # NB: When modifying, also modify html_root_url in lib.rs
+version = "0.5.0" # NB: When modifying, also modify html_root_url in lib.rs
 authors = ["The Rand Project Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
@@ -12,11 +12,11 @@ A universal random number seeder based on SipHash.
 """
 keywords = ["random", "rng", "seeder"]
 categories = ["algorithms", "no-std"]
-edition = "2021"
-rust-version = "1.63"
+edition = "2024"
+rust-version = "1.85.0"
 
 [dependencies]
-rand_core = { version = "0.9.0", default-features = false }
+rand_core = { version = "0.10.0", default-features = false }
 
 [lints.clippy]
 unit_arg = "allow"
diff --git a/benches/mod.rs b/benches/mod.rs
index 8ba760c..29d2b90 100644
--- a/benches/mod.rs
+++ b/benches/mod.rs
@@ -15,9 +15,9 @@ const RAND_BENCH_N: u64 = 1000;
 const BYTES_LEN: usize = 1024;
 
 use std::mem::size_of;
-use test::{black_box, Bencher};
+use test::{Bencher, black_box};
 
-use rand_seeder::rand_core::RngCore;
+use rand_seeder::rand_core::Rng;
 use rand_seeder::{Seeder, SipRng};
 
 #[bench]
diff --git a/examples/seedrng.rs b/examples/seedrng.rs
index f188fe3..d82e0e0 100644
--- a/examples/seedrng.rs
+++ b/examples/seedrng.rs
@@ -7,8 +7,8 @@
 
 extern crate rand_seeder;
 
-use rand_seeder::rand_core::RngCore;
 use rand_seeder::SipHasher;
+use rand_seeder::rand_core::Rng;
 
 use std::env;
 use std::hash::Hasher;
diff --git a/src/lib.rs b/src/lib.rs
index 1726022..4aa7a54 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -23,7 +23,7 @@
 //! # Example
 //!
 //! ```
-//! use rand_seeder::rand_core::RngCore;
+//! use rand_seeder::rand_core::Rng;
 //! use rand_seeder::SipRng; // or any RNG supporting SeedableRng
 //! use rand_seeder::Seeder;
 //!
@@ -38,7 +38,7 @@
 #![doc(
     html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk.png",
     html_favicon_url = "https://www.rust-lang.org/favicon.ico",
-    html_root_url = "https://docs.rs/rand_seeder/0.4.0"
+    html_root_url = "https://docs.rs/rand_seeder/0.5.0"
 )]
 #![deny(missing_docs)]
 #![deny(missing_debug_implementations)]
@@ -52,7 +52,7 @@ mod sip;
 pub use sip::{SipHasher, SipRng};
 
 use core::hash::Hash;
-use rand_core::{RngCore, SeedableRng};
+use rand_core::{Rng, SeedableRng};
 
 /// A simple interface for universal seeding
 ///
@@ -69,7 +69,7 @@ use rand_core::{RngCore, SeedableRng};
 /// ```rust
 /// # extern crate rand_core;
 /// # extern crate rand_seeder;
-/// use rand_core::RngCore;
+/// use rand_core::Rng;
 /// use rand_seeder::{Seeder, SipRng};
 ///
 /// // Use any R: SeedableRng you like in place of SipRng:
diff --git a/src/sip.rs b/src/sip.rs
index 159d476..4d5589a 100644
--- a/src/sip.rs
+++ b/src/sip.rs
@@ -17,7 +17,7 @@
 
 use core::marker::PhantomData;
 use core::{cmp, hash, mem, ptr, slice};
-use rand_core::{impls, le, RngCore, SeedableRng};
+use rand_core::{Infallible, Rng, SeedableRng, TryRng, utils};
 
 /// A portable implementation of SipHash 2-4.
 ///
@@ -82,9 +82,7 @@ struct State {
 }
 
 macro_rules! compress {
-    ($state:expr) => {{
-        compress!($state.v0, $state.v1, $state.v2, $state.v3)
-    }};
+    ($state:expr) => {{ compress!($state.v0, $state.v1, $state.v2, $state.v3) }};
     ($v0:expr, $v1:expr, $v2:expr, $v3:expr) => {{
         $v0 = $v0.wrapping_add($v1);
         $v1 = $v1.rotate_left(13);
@@ -181,23 +179,25 @@ impl SipRng {
     }
 }
 
-impl RngCore for SipRng {
-    fn next_u32(&mut self) -> u32 {
+impl TryRng for SipRng {
+    type Error = Infallible;
+
+    fn try_next_u32(&mut self) -> Result<u32, Infallible> {
         // Lazy way to implement. Good enough for seeding RNGs.
-        self.next_u64() as u32
+        Ok(self.next_u64() as u32)
     }
 
-    fn next_u64(&mut self) -> u64 {
+    fn try_next_u64(&mut self) -> Result<u64, Infallible> {
         self.state.v2 ^= self.adj;
         self.adj = self.adj.wrapping_sub(0x11);
 
         Sip24Rounds::c_rounds(&mut self.state);
 
-        self.state.v0 ^ self.state.v1 ^ self.state.v2 ^ self.state.v3
+        Ok(self.state.v0 ^ self.state.v1 ^ self.state.v2 ^ self.state.v3)
     }
 
-    fn fill_bytes(&mut self, dest: &mut [u8]) {
-        impls::fill_bytes_via_next(self, dest)
+    fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Infallible> {
+        utils::fill_bytes_via_next_word(dest, || self.try_next_u64())
     }
 }
 
@@ -205,8 +205,7 @@ impl SeedableRng for SipRng {
     type Seed = [u8; 32];
 
     fn from_seed(seed: Self::Seed) -> Self {
-        let mut keys = [0u64; 4];
-        le::read_u64_into(&seed, &mut keys);
+        let keys: [u64; 4] = utils::read_words(&seed);
         SipRng::from_state(State {
             v0: keys[0],
             v1: keys[1],