diff --git a/poetry_multiproject_plugin/components/toml/generate.py b/poetry_multiproject_plugin/components/toml/generate.py
index 500d3a9..b904d54 100644
--- a/poetry_multiproject_plugin/components/toml/generate.py
+++ b/poetry_multiproject_plugin/components/toml/generate.py
@@ -83,13 +83,18 @@ def generate_valid_dist_project_file(
 
     copy["tool"]["poetry"]["packages"].multiline(True)
 
-    scripts = copy["tool"]["poetry"].get("scripts", {})
+    scripts_pep_621 = copy.get("project", {}).get("scripts", {})
+    scripts_poetry = copy["tool"]["poetry"].get("scripts", {})
 
+    scripts = scripts_pep_621 or scripts_poetry
     if top_ns and scripts:
         rewritten_scripts = {
             k: to_valid_entry(v, top_ns, data) for k, v in scripts.items()
         }
 
-        copy["tool"]["poetry"]["scripts"] = rewritten_scripts
+        if scripts_pep_621:
+            copy["project"]["scripts"] = rewritten_scripts
+        else:
+            copy["tool"]["poetry"]["scripts"] = rewritten_scripts
 
     return tomlkit.dumps(copy)
diff --git a/poetry_multiproject_plugin/components/toml/read.py b/poetry_multiproject_plugin/components/toml/read.py
index 4d55ce1..d9367ac 100644
--- a/poetry_multiproject_plugin/components/toml/read.py
+++ b/poetry_multiproject_plugin/components/toml/read.py
@@ -25,7 +25,9 @@ def package_paths(path: Path) -> List[Path]:
 def project_name(path: Path) -> str:
     data: dict = toml(path)
 
-    return data["tool"]["poetry"]["name"]
+    pep_621_name = data.get("project", {}).get("name")
+
+    return pep_621_name or data["tool"]["poetry"]["name"]
 
 
 def parse_exclude_path(data: dict) -> Union[str, None]:
diff --git a/pyproject.toml b/pyproject.toml
index e9aadce..dc6589d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "poetry-multiproject-plugin"
-version = "1.8.0"
+version = "1.8.1"
 description = "A Poetry plugin that makes it possible to use relative package includes."
 authors = ["David Vujic"]
 license = "MIT"
diff --git a/test/components/toml/test_generate.py b/test/components/toml/test_generate.py
index 8c51e83..c353a45 100644
--- a/test/components/toml/test_generate.py
+++ b/test/components/toml/test_generate.py
@@ -21,6 +21,16 @@
 my_cli = "hello.console.app:run"
 """
 
+pyproject_pep_621_cli = """\
+[tool.poetry]
+packages = [
+    {include = "hello", from = "../world"},
+]
+
+[project.scripts]
+my_cli = "hello.console.app:run"
+"""
+
 pyproject_cli_with_local_modules = """\
 [tool.poetry]
 packages = [
@@ -58,6 +68,12 @@ def test_generate_project_file_with_custom_namespace_in_script_entry_point():
     assert data["tool"]["poetry"]["scripts"] == {"my_cli": "xyz.hello.console.app:run"}
 
 
+def test_generate_project_file_with_custom_namespace_in_script_entry_point_for_pep_621_project():
+    data = generate_toml(pyproject_pep_621_cli, "xyz")
+
+    assert data["project"]["scripts"] == {"my_cli": "xyz.hello.console.app:run"}
+
+
 def test_generate_project_file_with_unchanged_script_entry_point():
     data = generate_toml(pyproject_cli, "hello")
 
diff --git a/test/components/toml/test_read.py b/test/components/toml/test_read.py
index 0c40809..fd50625 100644
--- a/test/components/toml/test_read.py
+++ b/test/components/toml/test_read.py
@@ -1,9 +1,12 @@
+from pathlib import Path
+
 import tomlkit
 
 from poetry_multiproject_plugin.components.toml import read
 
 pyproject = """\
 [tool.poetry]
+name = "unit test"
 """
 
 pyproject_with_exclude_pattern = """\
@@ -21,6 +24,14 @@
 exclude = [{"path" = "testing.json", "format" = "wheel"}]
 """
 
+pyproject_pep_621 = """\
+[tool.poetry]
+packages = []
+
+[project]
+name = "unit test"
+"""
+
 
 def test_read_exclude_pattern_should_return_empty_result():
     data = tomlkit.loads(pyproject)
@@ -52,3 +63,19 @@ def test_read_complex_exclude_pattern_with_format_should_return_empty_result():
     res = read.parse_exclude_patterns(data)
 
     assert res == {"testing.json"}
+
+
+def test_get_project_name(monkeypatch):
+    monkeypatch.setattr(read, "toml", lambda _: tomlkit.loads(pyproject))
+
+    name = read.project_name(Path.cwd())
+
+    assert name == "unit test"
+
+
+def test_get_project_name_for_pep_621_project(monkeypatch):
+    monkeypatch.setattr(read, "toml", lambda _: tomlkit.loads(pyproject_pep_621))
+
+    name = read.project_name(Path.cwd())
+
+    assert name == "unit test"