diff --git a/pyproject.toml b/pyproject.toml
index 7248ecb..4ae16c3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ requires-python = ">= 3.10"
 dependencies = [
     "numba>=0.54,<1.0.0",
     'numpy >=1.24.3, <2',
-    'openfisca-core[web-api] >=43.0.0, <44.0.0',
+    'openfisca-core[web-api] >=43.0.0, <45.0.0',
     'scipy >= 0.12',
 ]