diff --git a/libs/Difficult_Rocket_rs/src/Cargo.lock b/libs/Difficult_Rocket_rs/src/Cargo.lock
index af4b105..24d6ae3 100644
--- a/libs/Difficult_Rocket_rs/src/Cargo.lock
+++ b/libs/Difficult_Rocket_rs/src/Cargo.lock
@@ -119,7 +119,7 @@ name = "difficult_rocket_rs"
 version = "0.2.0"
 dependencies = [
  "pyo3",
- "rapier2d",
+ "rapier2d-f64",
 ]
 
 [[package]]
@@ -303,10 +303,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "parry2d"
+name = "parry2d-f64"
 version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2342b33d77a0393879b1b85eac2a30cc4b36d10b30e111f55a5e9280cf5eb87"
+checksum = "70f96abf23f15f0bb4d998a96bcdc58915519a2de8828a809f1ea57b431c4d1f"
 dependencies = [
  "approx",
  "arrayvec",
@@ -408,10 +408,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "rapier2d"
+name = "rapier2d-f64"
 version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcd37fc7fad61534f35ce9cb198283cd7055c08cdc4a1565d0974a1fe74d5e59"
+checksum = "fed947265b7e68da6b33b9025abea0a4e4c79fdab464b85757b2cbfd6fe69b0a"
 dependencies = [
  "approx",
  "arrayvec",
@@ -422,7 +422,7 @@ dependencies = [
  "nalgebra",
  "num-derive",
  "num-traits",
- "parry2d",
+ "parry2d-f64",
  "rustc-hash",
  "simba",
  "vec_map",
diff --git a/libs/Difficult_Rocket_rs/src/Cargo.toml b/libs/Difficult_Rocket_rs/src/Cargo.toml
index b71e04b..4bfc5bc 100644
--- a/libs/Difficult_Rocket_rs/src/Cargo.toml
+++ b/libs/Difficult_Rocket_rs/src/Cargo.toml
@@ -8,10 +8,10 @@ license-file = '../../LICENSE'
 [dependencies]
 
 [lib]
-name = 'Difficult_Rocket_rs'
+name = 'difficult_rocket_rs'
 crate-type = ["cdylib"]
 
-[dependencies.rapier2d]
+[dependencies.rapier2d-f64]
 version = "0.17.1"
 features = ["simd-stable"]
 
diff --git a/libs/Difficult_Rocket_rs/src/src/simulator.rs b/libs/Difficult_Rocket_rs/src/src/simulator.rs
index 13caf5e..fe5d11f 100644
--- a/libs/Difficult_Rocket_rs/src/src/simulator.rs
+++ b/libs/Difficult_Rocket_rs/src/src/simulator.rs
@@ -6,7 +6,7 @@
  * -------------------------------
  */
 
-use rapier2d::prelude::*;
+use rapier2d_f64::prelude::*;
 use pyo3::prelude::*;
 
 #[pyfunction]