diff --git a/Cargo.lock b/Cargo.lock
index 750d23b..dfe0d18 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2383,6 +2383,7 @@ dependencies = [
  "lanspread-mdns",
  "lanspread-proto",
  "lanspread-utils",
+ "mimalloc",
  "s2n-quic",
  "semver",
  "serde_json",
@@ -2402,6 +2403,7 @@ dependencies = [
  "lanspread-db",
  "lanspread-mdns",
  "log",
+ "mimalloc",
  "serde",
  "serde_json",
  "tauri",
@@ -2486,6 +2488,16 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f9fbbcab51052fe104eb5e5d351cf728d30a5be1fe14d9be8a3b097481fb97de"
 
+[[package]]
+name = "libmimalloc-sys"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf88cd67e9de251c1781dbe2f641a1a3ad66eaae831b8a2c38fbdc5ddae16d4d"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "libredox"
 version = "0.1.4"
@@ -2619,6 +2631,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "mimalloc"
+version = "0.1.47"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1791cbe101e95af5764f06f20f6760521f7158f69dbf9d6baf941ee1bf6bc40"
+dependencies = [
+ "libmimalloc-sys",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.17"
diff --git a/Cargo.toml b/Cargo.toml
index 898d04b..f33ceed 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,6 +20,7 @@ gethostname = "1"
 itertools = "0.14"
 log = "0.4"
 mdns-sd = "0.13"
+mimalloc = { version = "0.1", features = ["secure"] }
 s2n-quic = { version = "1", features = ["provider-event-tracing"] }
 semver = "1"
 serde = { version = "1", features = ["derive"] }
diff --git a/crates/lanspread-server/Cargo.toml b/crates/lanspread-server/Cargo.toml
index 0039199..1b4fc99 100644
--- a/crates/lanspread-server/Cargo.toml
+++ b/crates/lanspread-server/Cargo.toml
@@ -26,6 +26,7 @@ clap = { workspace = true }
 eyre = { workspace = true }
 gethostname = { workspace = true }
 itertools = { workspace = true }
+mimalloc = { workspace = true }
 s2n-quic = { workspace = true }
 serde_json = { workspace = true }
 semver = { workspace = true }
diff --git a/crates/lanspread-server/src/main.rs b/crates/lanspread-server/src/main.rs
index a7928fd..7ec2791 100644
--- a/crates/lanspread-server/src/main.rs
+++ b/crates/lanspread-server/src/main.rs
@@ -1,3 +1,8 @@
+use mimalloc::MiMalloc;
+
+#[global_allocator]
+static GLOBAL: MiMalloc = MiMalloc;
+
 mod cli;
 mod quic;
 mod req;
diff --git a/crates/lanspread-tauri-deno-ts/src-tauri/Cargo.toml b/crates/lanspread-tauri-deno-ts/src-tauri/Cargo.toml
index e81a413..b750c56 100644
--- a/crates/lanspread-tauri-deno-ts/src-tauri/Cargo.toml
+++ b/crates/lanspread-tauri-deno-ts/src-tauri/Cargo.toml
@@ -26,6 +26,7 @@ lanspread-mdns = { path = "../../lanspread-mdns" }
 # external
 eyre = { workspace = true }
 log = { workspace = true }
+mimalloc = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
 tauri = { workspace = true }
diff --git a/crates/lanspread-tauri-deno-ts/src-tauri/src/main.rs b/crates/lanspread-tauri-deno-ts/src-tauri/src/main.rs
index bbb9848..3565366 100644
--- a/crates/lanspread-tauri-deno-ts/src-tauri/src/main.rs
+++ b/crates/lanspread-tauri-deno-ts/src-tauri/src/main.rs
@@ -1,6 +1,11 @@
 // Prevents additional console window on Windows in release, DO NOT REMOVE!!
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
+use mimalloc::MiMalloc;
+
+#[global_allocator]
+static GLOBAL: MiMalloc = MiMalloc;
+
 fn main() {
     lanspread_tauri_deno_ts_lib::run()
 }