diff --git a/Cargo.lock b/Cargo.lock
index 2ce3704..e361622 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "ahash"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0453232ace82dee0dd0b4c87a59bd90f7b53b314f3e0f61fe2ee7c8a16482289"
+dependencies = [
+ "const-random",
+]
+
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -91,6 +100,26 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "const-random"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5aaf16c9c2c612020bcfd042e170f6e32de9b9d75adb5277cdbbd2e2c8c8299a"
+dependencies = [
+ "const-random-macro",
+]
+
+[[package]]
+name = "const-random-macro"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9d839f2a20b0aee515dc581a6172f2321f96cab76c1a38a4c584a194955390e"
+dependencies = [
+ "getrandom",
+ "once_cell",
+ "tiny-keccak",
+]
+
 [[package]]
 name = "constant_time_eq"
 version = "0.1.5"
@@ -103,6 +132,12 @@ version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
 
+[[package]]
+name = "crunchy"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
+
 [[package]]
 name = "fastrand"
 version = "2.0.1"
@@ -118,6 +153,17 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
 [[package]]
 name = "iana-time-zone"
 version = "0.1.57"
@@ -324,6 +370,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tiny-keccak"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c9d3793400a45f954c52e73d068316d76b6f4e36977e3fcebb13a2721e80237"
+dependencies = [
+ "crunchy",
+]
+
 [[package]]
 name = "toml"
 version = "0.5.11"
@@ -345,6 +400,12 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e51733f11c9c4f72aa0c160008246859e340b00807569a0da0e7a1079b27ba85"
 
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.87"
@@ -502,6 +563,7 @@ dependencies = [
 name = "xash3d-master"
 version = "0.1.0"
 dependencies = [
+ "ahash",
  "bitflags 2.4.0",
  "blake2b_simd",
  "chrono",
diff --git a/master/Cargo.toml b/master/Cargo.toml
index bd5c158..90956db 100644
--- a/master/Cargo.toml
+++ b/master/Cargo.toml
@@ -19,6 +19,7 @@ fastrand = "2.0.1"
 serde = { version = "1.0.188", features = ["derive"] }
 toml = "0.5.11"
 blake2b_simd = "<0.6"
+ahash = "<0.5"
 signal-hook = { version = "0.3.17", default-features = false }
 xash3d-protocol = { path = "../protocol", version = "0.1.0" }
 
diff --git a/master/src/master_server.rs b/master/src/master_server.rs
index 4231fe9..67a9c36 100644
--- a/master/src/master_server.rs
+++ b/master/src/master_server.rs
@@ -1,13 +1,13 @@
 // SPDX-License-Identifier: GPL-3.0-only
 // SPDX-FileCopyrightText: 2023 Denis Drakhnia <numas13@gmail.com>
 
-use std::collections::{HashMap, HashSet};
 use std::io;
 use std::net::{Ipv4Addr, SocketAddr, SocketAddrV4, ToSocketAddrs, UdpSocket};
 use std::ops::Deref;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::time::{Duration, Instant};
 
+use ahash::{AHashMap as HashMap, AHashSet as HashSet};
 use blake2b_simd::Params;
 use fastrand::Rng;
 use log::{debug, error, info, trace, warn};
@@ -493,7 +493,8 @@ impl MasterServer {
     }
 
     fn add_server(&mut self, addr: SocketAddrV4, server: ServerInfo) {
-        match self.servers.insert(addr, Entry::new(self.now(), server)) {
+        let entry = Entry::new(self.now(), server);
+        match self.servers.insert(addr, entry) {
             Some(_) => trace!("{}: Updated GameServer", addr),
             None => trace!("{}: New GameServer", addr),
         }