diff --git a/meson.build b/meson.build
index 99a37aa..2b8a5cb 100644
--- a/meson.build
+++ b/meson.build
@@ -18,7 +18,7 @@
 #   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 #
 # *********************************************************************** #
-project('libcomposition', 'cpp', version: 'v1.8.1', default_options: ['cpp_std=c++23'], meson_version: '>=1.5.0')
+project('libcomposition', 'cpp', version: 'v1.8.2', default_options: ['cpp_std=c++23'], meson_version: '>=1.5.0')
 
 # Add default visibility for all C++ targets
 add_project_arguments('-fvisibility=default', language: 'cpp')
diff --git a/src/composition/include/fourdst/composition/species.h b/src/composition/include/fourdst/composition/species.h
index c12d7dc..e969d97 100644
--- a/src/composition/include/fourdst/composition/species.h
+++ b/src/composition/include/fourdst/composition/species.h
@@ -7138,7 +7138,7 @@ namespace fourdst::atomic {
     };
     
     // Function to look up a species by its atomic number (Z) and mass number (A).
-    inline std::expected<Species, SpeciesErrorType> az_to_species(const int a, const int z) {
+    inline std::expected<Species, SpeciesErrorType> az_to_species(const int a, const int z) noexcept {
         if (!element_symbol_map.contains(static_cast<uint8_t>(z))) {
             return std::unexpected(SpeciesErrorType::ELEMENT_SYMBOL_NOT_FOUND);
         }