diff --git a/config.yml b/config.yml
index 93890860..c9e87023 100644
--- a/config.yml
+++ b/config.yml
@@ -16,8 +16,8 @@ default:
     - lzma
     - sqlite3
     # The emfs packages are copied in https://github.com/Exabyte-io/jupyterlite/blob/main/scripts/build.sh#L38
-    - emfs:/drive/packages/pymatgen-2024.11.13-cp311-cp311-emscripten_3_1_45_wasm32.whl
-    - emfs:/drive/packages/spglib-2.0.2-py3-none-any.whl
+    - emfs:/drive/packages/pymatgen-2024.11.13-cp311-cp311-emscripten_3_1_46_wasm32.whl
+    - emfs:/drive/packages/spglib-2.5.0-cp311-cp311-emscripten_3_1_46_wasm32.whl
     - emfs:/drive/packages/ruamel.yaml-0.17.32-py3-none-any.whl
     - emfs:/drive/packages/pydantic_core-2.18.2-py3-none-any.whl
     - emfs:/drive/packages/pydantic-2.7.1-py3-none-any.whl
diff --git a/packages/pymatgen-2024.11.13-cp311-cp311-emscripten_3_1_46_wasm32.whl b/packages/pymatgen-2024.11.13-cp311-cp311-emscripten_3_1_46_wasm32.whl
new file mode 100644
index 00000000..30f9d03e
--- /dev/null
+++ b/packages/pymatgen-2024.11.13-cp311-cp311-emscripten_3_1_46_wasm32.whl
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e71d8fd3fa091dbcfe8e44cd74c9cc33d257eafc1ce17fc5db607cc392816977
+size 3516992