diff --git a/pyproject.toml b/pyproject.toml
index c74c0136..e0b0e83a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ version = "0.2.dev1"
 license = { text = "BSD 3 Clause" }
 authors = [{ name = "Hugo Pompougnac", email = "hugo.pompougnac@inria.fr" }]
 classifiers = ["Programming Language :: Python :: 3"]
-dependencies = ['jinja2', 'matplotlib', 'numpy', 'ordered-set', 'py-cpuinfo', 'tqdm', 'typing_extensions', 'pyyaml','scikit-learn','lit','filecheck','xdsl~=0.57.1', 'strictyaml']
+dependencies = ['jinja2', 'matplotlib', 'numpy<2.3', 'ordered-set', 'py-cpuinfo', 'tqdm', 'typing_extensions', 'pyyaml','scikit-learn','lit','filecheck','xdsl~=0.57.1', 'strictyaml']
 requires-python = ">=3.10"
 
 [project.optional-dependencies]
diff --git a/requirements.txt b/requirements.txt
index 44aed768..f42e8bec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 jinja2
 matplotlib
-numpy
+numpy<2.3
 ordered-set
 py-cpuinfo
 tqdm