diff --git a/NESO-Spack b/NESO-Spack
index 90556f5a..7b0f35db 160000
--- a/NESO-Spack
+++ b/NESO-Spack
@@ -1 +1 @@
-Subproject commit 90556f5a1e3c93e9de91f8b760c4ac4a07aaefa0
+Subproject commit 7b0f35dba288b7cd57d06ae1a07821fd194595f8
diff --git a/include/nektar_interface/bounding_box_intersection.hpp b/include/nektar_interface/bounding_box_intersection.hpp
index 8de19b92..e8c431d1 100644
--- a/include/nektar_interface/bounding_box_intersection.hpp
+++ b/include/nektar_interface/bounding_box_intersection.hpp
@@ -67,7 +67,7 @@ inline void reset_bounding_box(std::array<double, ARRAY_LENGTH> &bounding_box) {
 
   for (int dimx = 0; dimx < ndim; dimx++) {
     bounding_box[dimx] = std::numeric_limits<double>::max();
-    bounding_box[dimx + ndim] = std::numeric_limits<double>::min();
+    bounding_box[dimx + ndim] = std::numeric_limits<double>::lowest();
   }
 }
 
@@ -206,7 +206,7 @@ class MeshHierarchyBoundingBoxIntersection {
     // owned cells.
     for (int dimx = 0; dimx < 3; dimx++) {
       this->bounding_box[dimx] = std::numeric_limits<double>::max();
-      this->bounding_box[dimx + 3] = std::numeric_limits<double>::min();
+      this->bounding_box[dimx + 3] = std::numeric_limits<double>::lowest();
     }
     const int num_cells = owned_cells.size();
     this->bounding_boxes.resize(num_cells);
diff --git a/include/nektar_interface/cell_id_translation.hpp b/include/nektar_interface/cell_id_translation.hpp
index 5881c675..562c856f 100644
--- a/include/nektar_interface/cell_id_translation.hpp
+++ b/include/nektar_interface/cell_id_translation.hpp
@@ -40,7 +40,7 @@ class CellIDTranslation {
   inline void construct_maps(std::map<int, std::shared_ptr<T>> &geoms) {
     const int nelements = geoms.size();
     int id_min = std::numeric_limits<int>::max();
-    int id_max = std::numeric_limits<int>::min();
+    int id_max = std::numeric_limits<int>::lowest();
 
     this->map_to_nektar.resize(nelements);
     this->dh_map_to_geom_type.realloc_no_copy(nelements);
diff --git a/include/nektar_interface/particle_boundary_conditions.hpp b/include/nektar_interface/particle_boundary_conditions.hpp
index 563e1211..963d01d2 100644
--- a/include/nektar_interface/particle_boundary_conditions.hpp
+++ b/include/nektar_interface/particle_boundary_conditions.hpp
@@ -64,7 +64,7 @@ class NektarCartesianPeriodic {
     double extent[3];
     for (int dimx = 0; dimx < 3; dimx++) {
       origin[dimx] = std::numeric_limits<double>::max();
-      extent[dimx] = std::numeric_limits<double>::min();
+      extent[dimx] = std::numeric_limits<double>::lowest();
     }
 
     for (auto &vx : verticies) {
diff --git a/include/nektar_interface/particle_mesh_interface.hpp b/include/nektar_interface/particle_mesh_interface.hpp
index 00a02772..76a30bc0 100644
--- a/include/nektar_interface/particle_mesh_interface.hpp
+++ b/include/nektar_interface/particle_mesh_interface.hpp
@@ -514,7 +514,7 @@ class ParticleMeshInterface : public HMesh {
 
     // Compute a set of coarse mesh sizes and dimensions for the mesh hierarchy
     double min_extent = std::numeric_limits<double>::max();
-    double max_extent = std::numeric_limits<double>::min();
+    double max_extent = std::numeric_limits<double>::lowest();
     for (int dimx = 0; dimx < this->ndim; dimx++) {
       const double tmp_global_extent =
           this->global_bounding_box[dimx + 3] - this->global_bounding_box[dimx];
diff --git a/neso-particles b/neso-particles
index 7aa2f8f9..ba6750d4 160000
--- a/neso-particles
+++ b/neso-particles
@@ -1 +1 @@
-Subproject commit 7aa2f8f95c0cf1596df4b932e402c8e8845cdd6b
+Subproject commit ba6750d429fe15bbec9b9c507b795cd3117b79b4
diff --git a/solvers/Electrostatic2D3V/Diagnostics/generic_hdf5_writer.hpp b/solvers/Electrostatic2D3V/Diagnostics/generic_hdf5_writer.hpp
index db97e157..27758f38 100644
--- a/solvers/Electrostatic2D3V/Diagnostics/generic_hdf5_writer.hpp
+++ b/solvers/Electrostatic2D3V/Diagnostics/generic_hdf5_writer.hpp
@@ -1,6 +1,7 @@
 #ifndef __GENERIC_HDF5_WRITER_H_
 #define __GENERIC_HDF5_WRITER_H_
 
+#include <LibUtilities/BasicUtils/ErrorUtil.hpp>
 #include <hdf5.h>
 #include <string>
 
@@ -12,7 +13,9 @@ class GenericHDF5Writer {
   hid_t group_steps;
   hid_t group_step;
   hid_t group_global;
-  inline void ghw_H5CHK(const bool flag) { ASSERTL1((cmd) >= 0, "HDF5 ERROR"); }
+  inline void ghw_H5CHK(const bool flag) {
+    ASSERTL0((flag) >= 0, "HDF5 ERROR");
+  }
 
   inline void write_dataspace(hid_t group, std::string key, hid_t dataspace,
                               double *value) {
@@ -52,7 +55,7 @@ class GenericHDF5Writer {
       : filename(filename), step(-1), group_step(-1) {
     this->file = H5Fcreate(this->filename.c_str(), H5F_ACC_TRUNC, H5P_DEFAULT,
                            H5P_DEFAULT);
-    ASSERTL1(this->file != H5I_INVALID_HID, "Invalid HDF5 file identifier");
+    ASSERTL0(this->file != H5I_INVALID_HID, "Invalid HDF5 file identifier");
     // Create the group for global data.
     std::string group_name = "global_data";
     this->group_global = H5Gcreate(this->file, group_name.c_str(), H5P_DEFAULT,
diff --git a/spack.yaml b/spack.yaml
index cdaaf037..bf43960c 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -31,6 +31,6 @@ spack:
       path: .
       spec: neso@working
     nektar:
-      spec: nektar@5.2.0-2022-09-03
+      spec: nektar@5.3.0-2022-09-03
     neso-particles:
       spec: neso-particles@working
diff --git a/test/unit/nektar_interface/test_particle_geometry_interface.cpp b/test/unit/nektar_interface/test_particle_geometry_interface.cpp
index 0ebb6eb0..202184d9 100644
--- a/test/unit/nektar_interface/test_particle_geometry_interface.cpp
+++ b/test/unit/nektar_interface/test_particle_geometry_interface.cpp
@@ -63,7 +63,7 @@ TEST(ParticleGeometryInterface, BoundingBox) {
   std::array<double, 6> bounding_box;
   for (int dimx = 0; dimx < 3; dimx++) {
     bounding_box[dimx] = std::numeric_limits<double>::max();
-    bounding_box[dimx + 3] = std::numeric_limits<double>::min();
+    bounding_box[dimx + 3] = std::numeric_limits<double>::lowest();
   }
 
   expand_bounding_box(e0, bounding_box);