diff --git a/README.md b/README.md
index 1a5796a4..cd27b270 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 [![NOMAD](https://img.shields.io/badge/Open%20NOMAD-lightgray?logo=data:image/svg+xml;base64,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)](https://nomad-lab.eu/prod/v1/staging/gui/)
 ![](https://coveralls.io/repos/github/nomad-coe/nomad-simulations/badge.svg?branch=develop)
 ![](https://img.shields.io/pypi/v/nomad-simulations)
+![](https://img.shields.io/pypi/pyversions/nomad-simulations)
 
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 597f608e..d9d5d0ef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,9 +8,6 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
-    "Programming Language :: Python :: 3.12",
     "License :: OSI Approved :: Apache Software License",
 ]
 name = "nomad-simulations"
@@ -30,7 +27,7 @@ maintainers = [
 ]
 license = { file = "LICENSE" }
 dependencies = [
-    "nomad-lab>=1.2.2dev578",
+    "nomad-lab>=1.3.0",
     "matid>=2.0.0.dev2",
 ]
 
@@ -47,7 +44,6 @@ dev = [
     "pytest-timeout",
     "pytest-cov",
     "structlog",
-    "lxml_html_clean>=0.1.0"
 ]
 
 [tool.ruff]
diff --git a/src/nomad_simulations/schema_packages/general.py b/src/nomad_simulations/schema_packages/general.py
index 3a27b044..9f5e8127 100644
--- a/src/nomad_simulations/schema_packages/general.py
+++ b/src/nomad_simulations/schema_packages/general.py
@@ -21,7 +21,7 @@
 import numpy as np
 
 from nomad.config import config
-from nomad.datamodel.data import EntryData
+from nomad.datamodel.data import Schema
 from nomad.datamodel.metainfo.annotations import ELNAnnotation
 from nomad.datamodel.metainfo.basesections import Activity, Entity
 from nomad.metainfo import Datetime, Quantity, SchemaPackage, Section, SubSection
@@ -163,7 +163,7 @@ def normalize(self, archive: 'EntryArchive', logger: 'BoundLogger') -> None:
         pass
 
 
-class Simulation(BaseSimulation, EntryData):
+class Simulation(BaseSimulation, Schema):
     """
     A `Simulation` is a computational calculation that produces output data from a given input model system
     and input (model) methodological parameters. The output properties obtained from the simulation are stored
@@ -264,7 +264,7 @@ def get_composition_recurs(system: ModelSystem, atom_labels: List[str]) -> None:
         get_composition_recurs(system=system_parent, atom_labels=atom_labels)
 
     def normalize(self, archive: 'EntryArchive', logger: 'BoundLogger') -> None:
-        super(EntryData, self).normalize(archive, logger)
+        super(Schema, self).normalize(archive, logger)
 
         # Finding which is the representative system of a calculation: typically, we will
         # define it as the last system reported (TODO CHECK THIS!).