diff --git a/Cargo.lock b/Cargo.lock
index ee5604d..e2a1cc6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -611,6 +611,7 @@ dependencies = [
  "libproc",
  "linked-hash-map",
  "maxminddb",
+ "mimalloc",
  "netlink-packet-core",
  "netlink-packet-sock-diag",
  "netlink-sys",
@@ -2122,6 +2123,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "libmimalloc-sys"
+version = "0.1.39"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23aa6811d3bd4deb8a84dde645f943476d13b248d818edcf8ce0b2f37f036b44"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "libproc"
 version = "0.13.0"
@@ -2265,6 +2276,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "mimalloc"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68914350ae34959d83f732418d51e2427a794055d0b9529f48259ac07af65633"
+dependencies = [
+ "libmimalloc-sys",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.16"
diff --git a/boltconn/Cargo.toml b/boltconn/Cargo.toml
index 0f12dab..03197f8 100644
--- a/boltconn/Cargo.toml
+++ b/boltconn/Cargo.toml
@@ -96,6 +96,7 @@ netlink-sys = "0.8.3"
 netlink-packet-core = "0.5.0"
 netlink-packet-sock-diag = "0.4.0"
 procfs = "0.16.0"
+mimalloc = "0.1.43"
 
 [dev-dependencies]
 tracing-test = "0.2.4"
diff --git a/boltconn/src/main.rs b/boltconn/src/main.rs
index f66cd91..928f03a 100644
--- a/boltconn/src/main.rs
+++ b/boltconn/src/main.rs
@@ -27,6 +27,14 @@ mod platform;
 mod proxy;
 mod transport;
 
+// System default allocator (glibc) won't reclaim freed memory actively on Linux.
+// Without enough SWAP and RAM, this may cause OOM. Use MiMalloc to mitigate this issue.
+#[cfg(target_os = "linux")]
+use mimalloc::MiMalloc;
+#[cfg(target_os = "linux")]
+#[global_allocator]
+static GLOBAL: MiMalloc = MiMalloc;
+
 #[derive(Debug, Parser)]
 #[clap(name = "boltconn", about = "CLI interface of BoltConn", version = env!("CARGO_PKG_VERSION"))]
 struct ProgramArgs {