diff --git a/Cargo.lock b/Cargo.lock
index 33e1de69..85afa517 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -83,6 +83,12 @@ version = "3.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes"
 version = "1.9.0"
@@ -149,7 +155,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0dc92fb57ca44df6db8059111ab3af99a63d5d0f8375d9972e319a379c6bab76"
 dependencies = [
  "generic-array",
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
  "zeroize",
 ]
@@ -272,7 +278,7 @@ dependencies = [
  "hkdf",
  "pem-rfc7468",
  "pkcs8",
- "rand_core",
+ "rand_core 0.6.4",
  "sec1",
  "subtle",
  "zeroize",
@@ -300,7 +306,7 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
 dependencies = [
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
 ]
 
@@ -439,7 +445,19 @@ checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43a49c392881ce6d5c3b8cb70f98717b7c07aabbdff06687b9030dbfbe2725f8"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi 0.13.3+wasi-0.2.2",
+ "windows-targets",
 ]
 
 [[package]]
@@ -455,7 +473,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
 dependencies = [
  "ff",
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
 ]
 
@@ -497,7 +515,8 @@ dependencies = [
  "hmac",
  "once_cell",
  "pbkdf2",
- "rand_core",
+ "rand",
+ "rand_core 0.9.3",
  "sha2",
  "subtle-encoding",
  "zeroize",
@@ -713,7 +732,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2886843bf800fba2e3377cff24abf6379b4c4d5c6681eaf9ea5b0d15090450bd"
 dependencies = [
  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "windows-sys 0.52.0",
 ]
 
@@ -864,6 +883,15 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2"
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
+dependencies = [
+ "zerocopy 0.7.35",
+]
+
 [[package]]
 name = "primeorder"
 version = "0.13.6"
@@ -891,13 +919,43 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3779b94aeb87e8bd4e834cee3650289ee9e0d5677f976ecdb6d219e5f4f6cd94"
+dependencies = [
+ "rand_chacha",
+ "rand_core 0.9.3",
+ "zerocopy 0.8.21",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.9.3",
+]
+
 [[package]]
 name = "rand_core"
 version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.15",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
+dependencies = [
+ "getrandom 0.3.1",
 ]
 
 [[package]]
@@ -1124,7 +1182,7 @@ dependencies = [
  "p256",
  "p384",
  "pkcs8",
- "rand_core",
+ "rand_core 0.9.3",
  "signature",
  "tempfile",
  "zeroize",
@@ -1137,7 +1195,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
 dependencies = [
  "digest",
- "rand_core",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -1207,7 +1265,7 @@ checksum = "9a8a559c81686f576e8cd0290cd2a24a2a9ad80c98b3478856500fcbd7acd704"
 dependencies = [
  "cfg-if",
  "fastrand",
- "getrandom",
+ "getrandom 0.2.15",
  "once_cell",
  "rustix",
  "windows-sys 0.59.0",
@@ -1325,6 +1383,15 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasi"
+version = "0.13.3+wasi-0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26816d2e1a4a36a2940b96c5296ce403917633dff8f3440e9b236ed6f6bacad2"
+dependencies = [
+ "wit-bindgen-rt",
+]
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.100"
@@ -1506,6 +1573,56 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
+[[package]]
+name = "wit-bindgen-rt"
+version = "0.33.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3268f3d866458b787f390cf61f4bbb563b922d091359f9608842999eaee3943c"
+dependencies = [
+ "bitflags",
+]
+
+[[package]]
+name = "zerocopy"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
+dependencies = [
+ "byteorder",
+ "zerocopy-derive 0.7.35",
+]
+
+[[package]]
+name = "zerocopy"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcf01143b2dd5d134f11f545cf9f1431b13b749695cb33bcce051e7568f99478"
+dependencies = [
+ "zerocopy-derive 0.8.21",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712c8386f4f4299382c9abee219bee7084f78fb939d88b6840fcc1320d5f6da2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.8.1"
diff --git a/bip32/Cargo.toml b/bip32/Cargo.toml
index 5f56ca94..ce57cc23 100644
--- a/bip32/Cargo.toml
+++ b/bip32/Cargo.toml
@@ -19,7 +19,7 @@ rust-version = "1.81"
 [dependencies]
 bs58 = { version = "0.5", default-features = false, features = ["check"] }
 hmac = { version = "=0.13.0-pre.4", default-features = false }
-rand_core = { version = "0.6", default-features = false }
+rand_core = { version = "0.9", default-features = false }
 ripemd = { version = "=0.2.0-pre.4", default-features = false }
 sha2 = { version = "=0.11.0-pre.4", default-features = false }
 subtle = { version = "2", default-features = false }
@@ -33,7 +33,7 @@ secp256k1-ffi = { package = "secp256k1", version = "0.29", optional = true, defa
 
 [dev-dependencies]
 hex-literal = "0.4"
-rand_core = { version = "0.6", features = ["std"] }
+rand_core = { version = "0.9", features = ["std"] }
 
 [features]
 default = ["bip39", "secp256k1", "std"]
diff --git a/hkd32/Cargo.toml b/hkd32/Cargo.toml
index 38d4a79b..9fd93456 100644
--- a/hkd32/Cargo.toml
+++ b/hkd32/Cargo.toml
@@ -20,7 +20,7 @@ rust-version = "1.63"
 
 [dependencies]
 hmac = { version = "0.12", default-features = false }
-rand_core = { version = "0.6", default-features = false }
+rand_core = { version = "0.9", default-features = false, features = ["os_rng"] }
 sha2 = { version = "0.10", default-features = false }
 zeroize = { version = "1", default-features = false }
 
@@ -31,7 +31,8 @@ subtle-encoding = { version = "=0.6.0-pre", optional = true, default-features =
 
 [dev-dependencies]
 hex-literal = "0.4"
-rand_core = { version = "0.6", features = ["std"] }
+rand_core = { version = "0.9", features = ["std"] }
+rand = { version = "0.9", features = ["thread_rng"] }
 
 [features]
 default = ["alloc", "bech32"]
diff --git a/hkd32/src/lib.rs b/hkd32/src/lib.rs
index eed76dec..a210e7ec 100644
--- a/hkd32/src/lib.rs
+++ b/hkd32/src/lib.rs
@@ -23,10 +23,9 @@
 //! # Example
 //!
 //! ```rust
-//! use rand_core::OsRng;
 //!
 //! // Parent key
-//! let input_key_material = hkd32::KeyMaterial::random(&mut OsRng);
+//! let input_key_material = hkd32::KeyMaterial::random(&mut rand::rng());
 //!
 //! // Path to the child key
 //! let derivation_path = "/foo/bar/baz".parse::<hkd32::PathBuf>().unwrap();
diff --git a/signatory/Cargo.toml b/signatory/Cargo.toml
index 4cb8ebe2..afc20e9f 100644
--- a/signatory/Cargo.toml
+++ b/signatory/Cargo.toml
@@ -14,7 +14,7 @@ rust-version = "1.65"
 
 [dependencies]
 pkcs8 = { version = "0.10", features = ["alloc", "pem"] }
-rand_core = "0.6"
+rand_core = "0.9"
 signature = "2"
 zeroize = "1.5"