diff --git a/Cargo.lock b/Cargo.lock
index 8e941c2..b9225bf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -49,6 +49,12 @@ dependencies = [
  "utils",
 ]
 
+[[package]]
+name = "bitflags"
+version = "2.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c8214115b7bf84099f1309324e63141d4c5d7cc26862f97a0a857dbefe165bd"
+
 [[package]]
 name = "bumpalo"
 version = "3.16.0"
@@ -206,12 +212,13 @@ checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
 [[package]]
 name = "getrandom"
-version = "0.2.15"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+checksum = "73fea8450eea4bac3940448fb7ae50d91f034f941199fcd9d909a5a07aa455f0"
 dependencies = [
  "cfg-if",
  "libc",
+ "r-efi",
  "wasi",
 ]
 
@@ -388,21 +395,26 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand"
-version = "0.8.5"
+name = "r-efi"
+version = "5.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
+
+[[package]]
+name = "rand"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fbfd9d094a40bf3ae768db9361049ace4c0e04a4fd6b359518bd7b73a73dd97"
 dependencies = [
- "libc",
  "rand_chacha",
  "rand_core",
 ]
 
 [[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",
@@ -410,18 +422,18 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.6.4"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
 dependencies = [
  "getrandom",
 ]
 
 [[package]]
 name = "rand_distr"
-version = "0.4.3"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32cb0b9bc82b0a0876c2dd994a7e7a2683d3e7390ca40e6886785ef0c7e3ee31"
+checksum = "6a8615d50dcf34fa31f7ab52692afec947c4dd0ab803cc87cb3b0b4570ff7463"
 dependencies = [
  "num-traits",
  "rand",
@@ -602,9 +614,12 @@ dependencies = [
 
 [[package]]
 name = "wasi"
-version = "0.11.0+wasi-snapshot-preview1"
+version = "0.14.2+wasi-0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+checksum = "9683f9a5a998d873c0d21fcbe3c083009670149a8fab228644b8bd36b2c48cb3"
+dependencies = [
+ "wit-bindgen-rt",
+]
 
 [[package]]
 name = "wasm-bindgen"
@@ -761,6 +776,15 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
+[[package]]
+name = "wit-bindgen-rt"
+version = "0.39.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f42320e61fe2cfd34354ecb597f86f413484a798ba44a8ca1165c58d42da6c1"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "zerocopy"
 version = "0.7.35"
diff --git a/Cargo.toml b/Cargo.toml
index ee16750..a17e5f7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,9 +4,9 @@ members = ["base2k", "rlwe", "sampling", "utils"]
 
 [workspace.dependencies]
 rug = "1.27"
-rand = "0.8.4"
-rand_chacha = "0.3.1"
-rand_core = "0.6.4"
-rand_distr = "0.4.3"
+rand = "0.9.1"
+rand_chacha = "0.9.0"
+rand_core = "0.9.3"
+rand_distr = "0.5.1"
 itertools = "0.14.0"
 criterion = "0.5.1"
diff --git a/base2k/src/svp.rs b/base2k/src/svp.rs
index ad3b446..9b2c64b 100644
--- a/base2k/src/svp.rs
+++ b/base2k/src/svp.rs
@@ -5,7 +5,7 @@ use crate::{BACKEND, Module, VecZnx, VecZnxDft, assert_alignement};
 use crate::{Infos, alloc_aligned, cast_mut};
 use rand::seq::SliceRandom;
 use rand_core::RngCore;
-use rand_distr::{Distribution, WeightedIndex};
+use rand_distr::{Distribution, weighted::WeightedIndex};
 use sampling::source::Source;
 
 pub struct Scalar {
diff --git a/sampling/src/source.rs b/sampling/src/source.rs
index 4fcdaf4..9f51df6 100644
--- a/sampling/src/source.rs
+++ b/sampling/src/source.rs
@@ -1,6 +1,6 @@
 use rand_chacha::ChaCha8Rng;
 use rand_chacha::rand_core::SeedableRng;
-use rand_core::{OsRng, RngCore};
+use rand_core::{OsRng, RngCore, TryRngCore};
 
 const MAXF64: f64 = 9007199254740992.0;
 
@@ -10,7 +10,7 @@ pub struct Source {
 
 pub fn new_seed() -> [u8; 32] {
     let mut seed = [0u8; 32];
-    OsRng.fill_bytes(&mut seed);
+    OsRng.try_fill_bytes(&mut seed).unwrap();
     seed
 }
 
@@ -44,6 +44,10 @@ impl Source {
     pub fn next_f64(&mut self, min: f64, max: f64) -> f64 {
         min + ((self.next_u64() << 11 >> 11) as f64) / MAXF64 * (max - min)
     }
+
+    pub fn next_i64(&mut self) -> i64{
+        self.next_u64() as i64
+    }
 }
 
 impl RngCore for Source {
@@ -61,9 +65,4 @@ impl RngCore for Source {
     fn fill_bytes(&mut self, bytes: &mut [u8]) {
         self.source.fill_bytes(bytes)
     }
-
-    #[inline(always)]
-    fn try_fill_bytes(&mut self, bytes: &mut [u8]) -> Result<(), rand_core::Error> {
-        self.source.try_fill_bytes(bytes)
-    }
 }