diff --git a/Cargo.lock b/Cargo.lock
index d4d8364..d4bcd08 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -51,6 +51,12 @@ dependencies = [
 name = "bip39-lexical-data"
 version = "1.0.0"
 
+[[package]]
+name = "bitflags"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f68f53c83ab957f72c32642f3868eec03eb974d1fb82e453128456482613d36"
+
 [[package]]
 name = "block-buffer"
 version = "0.10.4"
@@ -155,13 +161,14 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.15"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+checksum = "43a49c392881ce6d5c3b8cb70f98717b7c07aabbdff06687b9030dbfbe2725f8"
 dependencies = [
  "cfg-if",
  "libc",
  "wasi",
+ "windows-targets",
 ]
 
 [[package]]
@@ -226,7 +233,7 @@ version = "0.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
 dependencies = [
- "zerocopy",
+ "zerocopy 0.7.35",
 ]
 
 [[package]]
@@ -249,20 +256,20 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.8.5"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+checksum = "3779b94aeb87e8bd4e834cee3650289ee9e0d5677f976ecdb6d219e5f4f6cd94"
 dependencies = [
- "libc",
  "rand_chacha",
  "rand_core",
+ "zerocopy 0.8.14",
 ]
 
 [[package]]
 name = "rand_chacha"
-version = "0.3.1"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
 dependencies = [
  "ppv-lite86",
  "rand_core",
@@ -270,11 +277,12 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.6.4"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+checksum = "b08f3c9802962f7e1b25113931d94f43ed9725bebc59db9d0c3e9a23b67e15ff"
 dependencies = [
  "getrandom",
+ "zerocopy 0.8.14",
 ]
 
 [[package]]
@@ -378,9 +386,12 @@ checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
 [[package]]
 name = "wasi"
-version = "0.11.0+wasi-snapshot-preview1"
+version = "0.13.3+wasi-0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+checksum = "26816d2e1a4a36a2940b96c5296ce403917633dff8f3440e9b236ed6f6bacad2"
+dependencies = [
+ "wit-bindgen-rt",
+]
 
 [[package]]
 name = "windows-targets"
@@ -446,6 +457,15 @@ 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"
@@ -453,7 +473,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
 dependencies = [
  "byteorder",
- "zerocopy-derive",
+ "zerocopy-derive 0.7.35",
+]
+
+[[package]]
+name = "zerocopy"
+version = "0.8.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a367f292d93d4eab890745e75a778da40909cab4d6ff8173693812f79c4a2468"
+dependencies = [
+ "zerocopy-derive 0.8.14",
 ]
 
 [[package]]
@@ -466,3 +495,14 @@ dependencies = [
  "quote",
  "syn",
 ]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3931cb58c62c13adec22e38686b559c86a30565e16ad6e8510a337cedc611e1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/Cargo.toml b/Cargo.toml
index d8b9771..c826035 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ eff-lexical-data = { path = "crates/eff-lexical-data", version = "1.0.0" }
 # crates.io deps
 anyhow = { version = "1.0.93", features = ["backtrace"] }
 clap = { version = "4.5.21", default-features = false, features = ["std", "derive", "help", "usage", "error-context"] }
-rand = "0.8.5"
+rand = "0.9.0"
 sha2 = "0.10.8"
 test-case = "3.3.1"
 thiserror = "2.0.3"
diff --git a/crates/pgen/src/main.rs b/crates/pgen/src/main.rs
index 87854e4..31658e3 100644
--- a/crates/pgen/src/main.rs
+++ b/crates/pgen/src/main.rs
@@ -19,7 +19,7 @@
 use bip39_lexical_data::WL_BIP39;
 use clap::{Parser, ValueEnum};
 use eff_lexical_data::{WL_AUTOCOMPLETE, WL_LONG, WL_SHORT};
-use rand::thread_rng;
+use rand::rng;
 use rand::Rng;
 use std::io::{stdin, stdout, Write};
 use thiserror::Error;
@@ -184,11 +184,11 @@ fn main() -> anyhow::Result<()> {
                     }
                 }
             } else {
-                let mut rng = thread_rng();
+                let mut rng = rng();
 
                 for i in 0..num_words {
                     handle.write_all(
-                        wordlist[rng.gen_range(0..wordlist.len()) as usize].as_bytes(),
+                        wordlist[rng.random_range(0..wordlist.len()) as usize].as_bytes(),
                     )?;
                     if i < (num_words - 1) {
                         handle.write_all(b" ")?;