diff --git a/pyproject.toml b/pyproject.toml
index 1453425d..9aaffabb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
     "identity-containers>=1.0.2,<2.0",
     "imy[docstrings,deprecations]>=0.7.1,<0.8",
     "introspection>=1.11.1,<2.0",
-    "isort>=5.13,<7.0",
+    "isort>=5.13,<8.0",
     "langcodes>=3.4,<4.0",
     "multipart>=1.2,<2.0",
     "narwhals>=1.12,<3.0",