diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index bede452d..a07b70bd 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -56,7 +56,7 @@ jobs:
 
         strategy:
             matrix:
-                python-version: ['3.9']
+                python-version: ['3.9', '3.10', '3.11', '3.12']
 
         services:
             rabbitmq:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5593bfbd..9730d487 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,7 +34,7 @@ jobs:
 
         strategy:
             matrix:
-                python-version: ['3.9']
+                python-version: ['3.9', '3.10', '3.11', '3.12']
 
         services:
             rabbitmq:
diff --git a/pyproject.toml b/pyproject.toml
index b9ac0de6..1cf17346 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,6 +16,9 @@ classifiers = [
     'Operating System :: MacOS :: MacOS X',
     'Programming Language :: Python',
     'Programming Language :: Python :: 3.9',
+    'Programming Language :: Python :: 3.10',
+    'Programming Language :: Python :: 3.11',
+    'Programming Language :: Python :: 3.12',
 ]
 keywords = ['aiida', 'workflows']
 requires-python = '>=3.9'
@@ -38,7 +41,6 @@ dependencies = [
     'aiida-wien2k~=0.2.0',
     'ase!=3.20.*',
     'masci-tools~=0.9',
-    'numpy<1.24.0',
     'pint~=0.16',
     'pymatgen>=2022.1.20',
 ]