diff --git a/Cargo.lock b/Cargo.lock
index 46746ef..8075bde 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -66,6 +66,31 @@ dependencies = [
  "libloading",
 ]
 
+[[package]]
+name = "crossbeam-deque"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "613f8cc01fe9cf1a3eb3d7f488fd2fa8388403e97039e2f73692932e291a770d"
+dependencies = [
+ "crossbeam-epoch",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "248e3bacc7dc6baa3b21e405ee045c3047101a49145e7e9eca583ab4c2ca5345"
+
 [[package]]
 name = "either"
 version = "1.11.0"
@@ -108,6 +133,7 @@ name = "il-tests"
 version = "0.1.0"
 dependencies = [
  "hex-slice",
+ "rayon",
  "rizin-rs",
 ]
 
@@ -216,6 +242,26 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rayon"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b418a60154510ca1a002a752ca9714984e21e4241e804d32555251faf8b78ffa"
+dependencies = [
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1465873a3dfdaa8ae7cb14b4383657caab0b3e8a0aa9ae8e04b044854c8dfce2"
+dependencies = [
+ "crossbeam-deque",
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "regex"
 version = "1.10.4"
diff --git a/il-tests/Cargo.toml b/il-tests/Cargo.toml
index 05d4796..c1e31bf 100644
--- a/il-tests/Cargo.toml
+++ b/il-tests/Cargo.toml
@@ -5,6 +5,7 @@ edition = "2021"
 
 [dependencies]
 hex-slice = "0.1.4"
+rayon = "1.10.0"
 
 [dependencies.rizin-rs]
 path = ".."
diff --git a/il-tests/src/main.rs b/il-tests/src/main.rs
index c187458..cfb08d2 100644
--- a/il-tests/src/main.rs
+++ b/il-tests/src/main.rs
@@ -1,8 +1,10 @@
 use std::collections::HashMap;
 use std::fmt::{Display, Formatter};
+use std::sync::Mutex;
 
 use hex_slice::AsHex;
 
+use rayon::prelude::*;
 use rizin_rs::wrapper::Core;
 
 struct Instruction {
@@ -46,17 +48,23 @@ impl Display for Instruction {
 }
 
 fn main() -> Result<(), ()> {
-    let core = Core::new();
-    core.set("analysis.arch", "pic")?;
-    core.set("analysis.cpu", "pic18")?;
     let addrs = vec![0, 0xff00];
-    let mut insts = HashMap::<String, usize>::new();
+    let insts = Mutex::new(HashMap::<String, usize>::new());
     const INST_LIMIT: usize = 0x8_usize;
 
-    for x in 0x1000_u32..0xffff_u32 {
+    let core = Mutex::new(Core::new());
+    {
+        let co = core.lock().unwrap();
+        co.set("analysis.arch", "pic").unwrap();
+        co.set("analysis.cpu", "pic18").unwrap();
+    }
+
+    (0x1000_u32..u32::MAX).into_par_iter().for_each(|x| {
+        let core = core.lock().unwrap();
         let b: [u8; 4] = x.to_le_bytes();
         for addr in addrs.clone() {
             if let Ok(inst) = Instruction::from_bytes(&core, &b, addr) {
+                let mut insts = insts.lock().unwrap();
                 match insts.get_mut(&inst.inst) {
                     Some(k) if *k > INST_LIMIT => continue,
                     Some(k) => {
@@ -70,6 +78,7 @@ fn main() -> Result<(), ()> {
                 }
             }
         }
-    }
+    });
+
     Ok(())
 }
diff --git a/src/wrapper.rs b/src/wrapper.rs
index 1c0078f..6c97444 100644
--- a/src/wrapper.rs
+++ b/src/wrapper.rs
@@ -9,6 +9,9 @@ use crate::*;
 
 pub struct Core(pub Box<RzCore>);
 
+unsafe impl Sync for Core {}
+unsafe impl Send for Core {}
+
 impl Drop for Core {
     fn drop(&mut self) {
         let ptr = Box::into_raw(self.0.clone());