diff --git a/Cargo.toml b/Cargo.toml
index ce05100..5d5410b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 log = "0.4.22"
-tucanos = {git = "https://github.com/tucanos/tucanos.git", rev = "9b01996e" }
+tucanos = { git = "https://github.com/tucanos/tucanos.git", rev = "252380e" }
 numpy = "0.21"
 pyo3 = { version = "0.21", features = ["extension-module", "multiple-pymethods"] }
 pyo3-log = "0.11"
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 6f14058..0193dee 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.77.2"
+channel = "1.83.0"
diff --git a/src/geometry.rs b/src/geometry.rs
index 88a4092..de1e786 100644
--- a/src/geometry.rs
+++ b/src/geometry.rs
@@ -6,8 +6,7 @@ use numpy::PyArray2;
 use pyo3::{exceptions::PyRuntimeError, pyclass, pymethods, Bound, PyResult, Python};
 use tucanos::{
     geometry::{Geometry, LinearGeometry},
-    mesh_stl::orient_stl,
-    topo_elems::{Edge, Triangle},
+    mesh::{io::orient_stl, Edge, Triangle},
 };
 macro_rules! create_geometry {
     ($name: ident, $dim: expr, $etype: ident, $mesh: ident, $geom: ident) => {
diff --git a/src/mesh.rs b/src/mesh.rs
index 6dc164f..d66817f 100644
--- a/src/mesh.rs
+++ b/src/mesh.rs
@@ -14,12 +14,8 @@ use pyo3::{
 };
 use std::collections::HashMap;
 use tucanos::{
-    geom_elems::GElem,
-    mesh::Point,
-    mesh::SimplexMesh,
-    mesh_stl::read_stl,
+    mesh::{io::read_stl, Edge, Elem, GElem, Point, SimplexMesh, Tetrahedron, Triangle},
     metric::Metric,
-    topo_elems::{Edge, Elem, Tetrahedron, Triangle},
     Idx, Tag,
 };
 
diff --git a/src/parallel.rs b/src/parallel.rs
index 346b439..35d8f36 100644
--- a/src/parallel.rs
+++ b/src/parallel.rs
@@ -13,11 +13,9 @@ use pyo3::{
     Bound, PyResult, Python,
 };
 use tucanos::{
-    mesh_partition::PartitionType,
+    mesh::{PartitionType, Tetrahedron, Triangle},
     metric::{AnisoMetric2d, AnisoMetric3d, IsoMetric, Metric},
-    parallel::{ParallelRemesher, ParallelRemeshingParams},
-    remesher::{RemesherParams, SmoothingType},
-    topo_elems::{Tetrahedron, Triangle},
+    remesher::{ParallelRemesher, ParallelRemeshingParams, RemesherParams, SmoothingType},
     Idx,
 };
 
diff --git a/src/remesher.rs b/src/remesher.rs
index 48763e6..8c42e95 100644
--- a/src/remesher.rs
+++ b/src/remesher.rs
@@ -14,9 +14,9 @@ use pyo3::{
     Bound, PyResult, Python,
 };
 use tucanos::{
+    mesh::{Tetrahedron, Triangle},
     metric::{AnisoMetric2d, AnisoMetric3d, IsoMetric, Metric},
     remesher::{Remesher, RemesherParams, SmoothingType},
-    topo_elems::{Tetrahedron, Triangle},
     Idx,
 };