diff --git a/.cargo/config.toml b/.cargo/config.toml
index a7bd7f9..6c86c0d 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -3,3 +3,6 @@ linker = "aarch64-linux-gnu-gcc"
 
 [target.armv7-unknown-linux-gnueabihf]
 linker = "arm-linux-gnu-gcc"
+
+[env]
+CARGO_WORKSPACE_DIR = { value = "", relative = true }
diff --git a/Cargo.lock b/Cargo.lock
index 6bb3822..b27ea1b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -157,6 +157,17 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chacha20"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f8d983286843e49675a4b7a2d174efe136dc93a18d69130dd18198a6c167601"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "rand_core",
+]
+
 [[package]]
 name = "chess"
 version = "1.0.0"
@@ -300,6 +311,15 @@ version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
+[[package]]
+name = "cpufeatures"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b2a41393f66f16b0823bb79094d54ac5fbd34ab292ddafb9a0456ac9f87d201"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "criterion"
 version = "0.8.2"
@@ -441,6 +461,12 @@ dependencies = [
  "uci-parser",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
+
 [[package]]
 name = "find-msvc-tools"
 version = "0.1.5"
@@ -453,6 +479,12 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "foldhash"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
+
 [[package]]
 name = "form_urlencoded"
 version = "1.2.2"
@@ -469,20 +501,21 @@ dependencies = [
  "anyhow",
  "chess",
  "rand",
- "rand_chacha",
  "thiserror 2.0.18",
 ]
 
 [[package]]
 name = "getrandom"
-version = "0.3.1"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43a49c392881ce6d5c3b8cb70f98717b7c07aabbdff06687b9030dbfbe2725f8"
+checksum = "139ef39800118c7683f2fd3c98c1b23c09ae076556b435f8e9064ae108aaeeec"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi",
- "windows-targets",
+ "r-efi",
+ "rand_core",
+ "wasip2",
+ "wasip3",
 ]
 
 [[package]]
@@ -508,6 +541,21 @@ dependencies = [
  "crunchy",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.15.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
+dependencies = [
+ "foldhash",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
+
 [[package]]
 name = "hce-tuner"
 version = "0.1.0"
@@ -632,6 +680,12 @@ dependencies = [
  "zerovec",
 ]
 
+[[package]]
+name = "id-arena"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"
+
 [[package]]
 name = "idna"
 version = "1.1.0"
@@ -653,6 +707,18 @@ dependencies = [
  "icu_properties",
 ]
 
+[[package]]
+name = "indexmap"
+version = "2.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.16.1",
+ "serde",
+ "serde_core",
+]
+
 [[package]]
 name = "indicatif"
 version = "0.18.3"
@@ -728,6 +794,12 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
+[[package]]
+name = "leb128fmt"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
+
 [[package]]
 name = "libc"
 version = "0.2.177"
@@ -909,12 +981,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
 [[package]]
-name = "ppv-lite86"
-version = "0.2.21"
+name = "prettyplease"
+version = "0.2.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9"
+checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
 dependencies = [
- "zerocopy",
+ "proc-macro2",
+ "syn",
 ]
 
 [[package]]
@@ -936,33 +1009,27 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand"
-version = "0.9.2"
+name = "r-efi"
+version = "5.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
-dependencies = [
- "rand_chacha",
- "rand_core",
-]
+checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 
 [[package]]
-name = "rand_chacha"
-version = "0.9.0"
+name = "rand"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
+checksum = "bc266eb313df6c5c09c1c7b1fbe2510961e5bcd3add930c1e31f7ed9da0feff8"
 dependencies = [
- "ppv-lite86",
+ "chacha20",
+ "getrandom",
  "rand_core",
 ]
 
 [[package]]
 name = "rand_core"
-version = "0.9.3"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
-dependencies = [
- "getrandom",
-]
+checksum = "0c8d0fd677905edcbeedbf2edb6494d676f0e98d54d5cf9bda0b061cb8fb8aba"
 
 [[package]]
 name = "rayon"
@@ -1043,6 +1110,12 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "semver"
+version = "1.0.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d767eb0aabc880b29956c35734170f26ed551a859dbd361d140cdbeca61ab1e2"
+
 [[package]]
 name = "serde"
 version = "1.0.228"
@@ -1362,12 +1435,21 @@ dependencies = [
 ]
 
 [[package]]
-name = "wasi"
-version = "0.13.3+wasi-0.2.2"
+name = "wasip2"
+version = "1.0.2+wasi-0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26816d2e1a4a36a2940b96c5296ce403917633dff8f3440e9b236ed6f6bacad2"
+checksum = "9517f9239f02c069db75e65f174b3da828fe5f5b945c4dd26bd25d89c03ebcf5"
 dependencies = [
- "wit-bindgen-rt",
+ "wit-bindgen",
+]
+
+[[package]]
+name = "wasip3"
+version = "0.4.0+wasi-0.3.0-rc-2026-01-06"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5428f8bf88ea5ddc08faddef2ac4a67e390b88186c703ce6dbd955e1c145aca5"
+dependencies = [
+ "wit-bindgen",
 ]
 
 [[package]]
@@ -1428,6 +1510,40 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "wasm-encoder"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "990065f2fe63003fe337b932cfb5e3b80e0b4d0f5ff650e6985b1048f62c8319"
+dependencies = [
+ "leb128fmt",
+ "wasmparser",
+]
+
+[[package]]
+name = "wasm-metadata"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909"
+dependencies = [
+ "anyhow",
+ "indexmap",
+ "wasm-encoder",
+ "wasmparser",
+]
+
+[[package]]
+name = "wasmparser"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
+dependencies = [
+ "bitflags",
+ "hashbrown 0.15.5",
+ "indexmap",
+ "semver",
+]
+
 [[package]]
 name = "web-sys"
 version = "0.3.77"
@@ -1621,12 +1737,91 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
 [[package]]
-name = "wit-bindgen-rt"
-version = "0.33.0"
+name = "wit-bindgen"
+version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3268f3d866458b787f390cf61f4bbb563b922d091359f9608842999eaee3943c"
+checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
 dependencies = [
+ "wit-bindgen-rust-macro",
+]
+
+[[package]]
+name = "wit-bindgen-core"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea61de684c3ea68cb082b7a88508a8b27fcc8b797d738bfc99a82facf1d752dc"
+dependencies = [
+ "anyhow",
+ "heck",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-bindgen-rust"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
+dependencies = [
+ "anyhow",
+ "heck",
+ "indexmap",
+ "prettyplease",
+ "syn",
+ "wasm-metadata",
+ "wit-bindgen-core",
+ "wit-component",
+]
+
+[[package]]
+name = "wit-bindgen-rust-macro"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c0f9bfd77e6a48eccf51359e3ae77140a7f50b1e2ebfe62422d8afdaffab17a"
+dependencies = [
+ "anyhow",
+ "prettyplease",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wit-bindgen-core",
+ "wit-bindgen-rust",
+]
+
+[[package]]
+name = "wit-component"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
+dependencies = [
+ "anyhow",
  "bitflags",
+ "indexmap",
+ "log",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "wasm-encoder",
+ "wasm-metadata",
+ "wasmparser",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-parser"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
+dependencies = [
+ "anyhow",
+ "id-arena",
+ "indexmap",
+ "log",
+ "semver",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "unicode-xid",
+ "wasmparser",
 ]
 
 [[package]]
@@ -1658,26 +1853,6 @@ dependencies = [
  "synstructure",
 ]
 
-[[package]]
-name = "zerocopy"
-version = "0.8.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd97444d05a4328b90e75e503a34bad781f14e28a823ad3557f0750df1ebcbc6"
-dependencies = [
- "zerocopy-derive",
-]
-
-[[package]]
-name = "zerocopy-derive"
-version = "0.8.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6352c01d0edd5db859a63e2605f4ea3183ddbd15e2c4a9e7d32184df75e4f154"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "zerofrom"
 version = "0.1.6"
diff --git a/Cargo.toml b/Cargo.toml
index 7cacbc7..4e67f78 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,8 +20,7 @@ csv = "1.4.0"
 engine = { path = "engine" }
 indicatif = "0.18.3"
 itertools = "0.14.0"
-rand = "0.9.2"
-rand_chacha = "0.9.0"
+rand = "0.10.0"
 rayon = "1.11.0"
 serde = "1.0.228"
 textplots = "0.8.7"
diff --git a/chess/Cargo.toml b/chess/Cargo.toml
index aa6ab23..6d45117 100644
--- a/chess/Cargo.toml
+++ b/chess/Cargo.toml
@@ -10,7 +10,7 @@ test = true
 [dependencies]
 anyhow = { workspace = true }
 arrayvec = { workspace = true }
-rand = { workspace = true, features = ["small_rng"] }
+rand = { workspace = true }
 serde = { workspace = true, features = ["derive"] }
 thiserror = { workspace = true }
 
diff --git a/chess/src/zobrist.rs b/chess/src/zobrist.rs
index 20792bf..eec681e 100644
--- a/chess/src/zobrist.rs
+++ b/chess/src/zobrist.rs
@@ -3,8 +3,7 @@
 // GNU General Public License v3.0 or later
 // https://www.gnu.org/licenses/gpl-3.0-standalone.html
 
-use rand::rngs::StdRng;
-use rand::{Rng, SeedableRng};
+use rand::{Rng, SeedableRng, rngs::StdRng};
 
 use crate::definitions::NumberOf;
 
@@ -55,24 +54,24 @@ impl ZobristRandomValues {
             .for_each(|piece_values| {
                 piece_values.iter_mut().for_each(|square_values| {
                     square_values.iter_mut().for_each(|value| {
-                        *value = random.random();
+                        *value = random.next_u64();
                     });
                 });
             });
 
         random_values.castling_values.iter_mut().for_each(|value| {
-            *value = random.random();
+            *value = random.next_u64();
         });
 
         random_values
             .en_passant_values
             .iter_mut()
             .for_each(|value| {
-                *value = random.random();
+                *value = random.next_u64();
             });
 
         random_values.side_values.iter_mut().for_each(|value| {
-            *value = random.random();
+            *value = random.next_u64();
         });
 
         random_values
diff --git a/engine/Cargo.toml b/engine/Cargo.toml
index 3d9b6e4..cc91035 100644
--- a/engine/Cargo.toml
+++ b/engine/Cargo.toml
@@ -9,5 +9,5 @@ chess = { workspace = true }
 anyhow = { workspace = true }
 itertools = { workspace = true }
 uci-parser = { workspace = true, features = ["parse-go-perft", "parse-position-kiwipete", "types", "clamp-negatives"] }
-rand = { workspace = true, features = ["small_rng"] }
+rand = { workspace = true }
 arrayvec = { workspace = true }
diff --git a/engine/src/ttable.rs b/engine/src/ttable.rs
index cb9251e..ad1445d 100644
--- a/engine/src/ttable.rs
+++ b/engine/src/ttable.rs
@@ -193,7 +193,7 @@ mod tests {
     fn get_index() {
         let tt = TranspositionTable::from_size_in_mb(32);
         let mut rng = rand::rng();
-        let random_numbers: Vec<u64> = (0..tt.size()).map(|_| rng.random::<u64>()).collect();
+        let random_numbers: Vec<u64> = (0..tt.size()).map(|_| rng.next_u64()).collect();
         let min = random_numbers.iter().min().unwrap();
         let max = random_numbers.iter().max().unwrap();
         println!("min/max random number: {min}/{max}");
diff --git a/tools/generate-magics/Cargo.toml b/tools/generate-magics/Cargo.toml
index 08785bc..8ef39ef 100644
--- a/tools/generate-magics/Cargo.toml
+++ b/tools/generate-magics/Cargo.toml
@@ -9,8 +9,7 @@ repository = { workspace = true }
 [dependencies]
 chess = { workspace = true }
 anyhow = { workspace = true }
-rand = { workspace = true, features = ["small_rng"] }
-rand_chacha = { workspace = true }
+rand = { workspace = true }
 thiserror = { workspace = true }
 
 [[bin]]
diff --git a/tools/generate-magics/src/main.rs b/tools/generate-magics/src/main.rs
index 7e07a17..4d69d87 100644
--- a/tools/generate-magics/src/main.rs
+++ b/tools/generate-magics/src/main.rs
@@ -13,8 +13,7 @@ use chess::{
     move_generation::MoveGenerator,
     pieces::{Piece, SQUARE_NAME},
 };
-use rand::{Rng, SeedableRng};
-use rand_chacha::ChaChaRng;
+use rand::prelude::*;
 use thiserror::Error;
 
 #[derive(Error, Debug)]
@@ -96,7 +95,7 @@ fn try_to_make_table(
 }
 
 fn find_magic_numbers(piece: Piece) -> Vec<MagicNumber> {
-    let mut rng = ChaChaRng::from_os_rng();
+    let mut rng = rand::rng();
     let mut magic_numbers = Vec::with_capacity(NumberOf::SQUARES);
     assert!(piece == Piece::Rook || piece == Piece::Bishop);
 
diff --git a/tools/verify-zobrist/src/main.rs b/tools/verify-zobrist/src/main.rs
index bcad5ee..157617f 100644
--- a/tools/verify-zobrist/src/main.rs
+++ b/tools/verify-zobrist/src/main.rs
@@ -57,7 +57,7 @@ fn decompress_data(output_data_path: &Path, compressed_data_path: &Path) -> anyh
 
 fn main() {
     // load data
-    let mut data_path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    let mut data_path = PathBuf::from(env!("CARGO_WORKSPACE_DIR"));
     data_path.push("data/lichess_db_puzzle.csv");
     if !data_path.exists() {
         println!("Data file not found, decompressing from .zst file...");