diff --git a/Cargo.lock b/Cargo.lock
index 2ee4c6fc25..6e9216d447 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3387,6 +3387,7 @@ dependencies = [
  "chrono-tz 0.9.0",
  "fancy-regex",
  "indexmap",
+ "mimalloc",
  "nu-cmd-lang",
  "nu-command",
  "nu-engine",
diff --git a/crates/nu_plugin_polars/Cargo.toml b/crates/nu_plugin_polars/Cargo.toml
index 6a2a980383..03d050638d 100644
--- a/crates/nu_plugin_polars/Cargo.toml
+++ b/crates/nu_plugin_polars/Cargo.toml
@@ -26,6 +26,7 @@ chrono = { workspace = true, features = ["std", "unstable-locales"], default-fea
 chrono-tz = "0.9"
 fancy-regex = { workspace = true }
 indexmap = { version = "2.2" }
+mimalloc = { version = "0.1.42" }
 num = {version = "0.4"}
 serde = { version = "1.0", features = ["derive"] }
 sqlparser = { version = "0.45"}
diff --git a/crates/nu_plugin_polars/src/main.rs b/crates/nu_plugin_polars/src/main.rs
index e060d7cd6d..4a757701ad 100644
--- a/crates/nu_plugin_polars/src/main.rs
+++ b/crates/nu_plugin_polars/src/main.rs
@@ -1,6 +1,9 @@
 use nu_plugin::{serve_plugin, MsgPackSerializer};
 use nu_plugin_polars::PolarsPlugin;
 
+#[global_allocator]
+static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
+
 fn main() {
     serve_plugin(&PolarsPlugin::default(), MsgPackSerializer {})
 }