diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3609248..d9fe104 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
 
     steps:
       - name: Checkout
diff --git a/acro/version.py b/acro/version.py
index 694c981..b53ab89 100644
--- a/acro/version.py
+++ b/acro/version.py
@@ -1,3 +1,3 @@
 """ACRO version number."""
 
-__version__ = "0.4.6"
+__version__ = "0.4.7"
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 77bb166..ea72598 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -12,7 +12,7 @@
 # -- Project information -----------------------------------------------------
 
 project = "ACRO"
-copyright = "2023, ACRO Project Team"
+copyright = "2024, ACRO Project Team"
 author = "ACRO Project Team"
 release = __version__
 
diff --git a/setup.cfg b/setup.cfg
index 5953584..617cd5b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = acro
-version = 0.4.6
+version = 0.4.7
 description = ACRO: Tools for the Automatic Checking of Research Outputs
 long_description = file: README.md
 long_description_content_type = text/markdown
@@ -10,16 +10,16 @@ maintainer_email = james.smith@uwe.ac.uk
 license = MIT
 license_files = LICENSE.md
 classifiers =
-    Development Status :: 3 - Alpha
+    Development Status :: 4 - Beta
     Intended Audience :: Developers
     Intended Audience :: Science/Research
     License :: OSI Approved :: MIT License
     Natural Language :: English
-    Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
+    Programming Language :: Python :: 3.13
     Topic :: Scientific/Engineering
     Topic :: Scientific/Engineering :: Information Analysis
     Operating System :: OS Independent
@@ -36,7 +36,7 @@ project_urls =
     Discussions = https://github.com/AI-SDC/ACRO/discussions
 
 [options]
-python_requires = >=3.8
+python_requires = >=3.9
 zip_safe = False
 include_package_data = True
 packages = find:
@@ -45,7 +45,7 @@ install_requires =
     matplotlib
     numpy<2.0.0
     openpyxl
-    pandas~=1.5.0
+    pandas>1.5.0,<2.3
     PyYAML
     statsmodels