diff --git a/poetry.lock b/poetry.lock
index a2ba928..a0fd24c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1535,4 +1535,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "4f4da37bfd58c8cdb1eba38239f44a0ebe60e032801f629b5cfbc797b68a6718"
+content-hash = "edfe1f3976af8ff764e114676539a4cca2b4058f080e8d4b52fc26abaa759484"
diff --git a/pyproject.toml b/pyproject.toml
index 0d7d0a8..3e4fffe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ include = [
 
 [tool.poetry.dependencies]
 python = "^3.9"
-poetry = "^1.5.0"
+poetry = ">=1.5.0,<3.0.0"
 
 [tool.poetry.group.dev.dependencies]
 pre-commit = ">=2.6"
diff --git a/src/poetry_plugin_bundle/bundlers/venv_bundler.py b/src/poetry_plugin_bundle/bundlers/venv_bundler.py
index ab6ddf8..d4df8e3 100644
--- a/src/poetry_plugin_bundle/bundlers/venv_bundler.py
+++ b/src/poetry_plugin_bundle/bundlers/venv_bundler.py
@@ -55,7 +55,16 @@ def bundle(self, poetry: Poetry, io: IO) -> bool:
 
         from cleo.io.null_io import NullIO
         from poetry.core.masonry.builders.wheel import WheelBuilder
-        from poetry.core.masonry.utils.module import ModuleOrPackageNotFound
+
+        try:
+            from poetry.core.masonry.utils.module import (  # type: ignore[attr-defined]
+                ModuleOrPackageNotFoundError,
+            )
+        except ImportError:
+            # poetry-core < 2.0
+            from poetry.core.masonry.utils.module import (
+                ModuleOrPackageNotFound as ModuleOrPackageNotFoundError,
+            )
         from poetry.core.packages.package import Package
         from poetry.installation.installer import Installer
         from poetry.installation.operations.install import Install
@@ -140,7 +149,12 @@ def locked_repository(self) -> LockfileRepository:
                     package.develop = False
                 return repo
 
-        custom_locker = CustomLocker(poetry.locker.lock, poetry.local_config)
+        try:
+            locker_data = poetry.locker._pyproject_data  # type: ignore[attr-defined]
+        except AttributeError:
+            # poetry < 2.0
+            locker_data = poetry.locker._local_config
+        custom_locker = CustomLocker(poetry.locker.lock, locker_data)
 
         installer = Installer(
             NullIO() if not io.is_debug() else io,
@@ -192,7 +206,7 @@ def locked_repository(self) -> LockfileRepository:
                         source_url=str(wheel),
                     )
                     installer.executor.execute([Install(package)])
-                except ModuleOrPackageNotFound:
+                except ModuleOrPackageNotFoundError:
                     warnings.append(
                         "The root package was not installed because no matching module or"
                         " package was found."
diff --git a/tests/console/conftest.py b/tests/console/conftest.py
index 06ee3df..941039a 100644
--- a/tests/console/conftest.py
+++ b/tests/console/conftest.py
@@ -27,7 +27,12 @@ def poetry(project_directory: str, config: Config) -> Poetry:
     p = Factory().create_poetry(
         Path(__file__).parent.parent / "fixtures" / project_directory
     )
-    p.set_locker(TestLocker(p.locker.lock, p.locker._local_config))
+    try:
+        locker_data = p.locker._pyproject_data  # type: ignore[attr-defined]
+    except AttributeError:
+        # poetry < 2.0
+        locker_data = p.locker._local_config
+    p.set_locker(TestLocker(p.locker.lock, locker_data))
 
     return p
 
diff --git a/tests/fixtures/simple_project/poetry.lock b/tests/fixtures/simple_project/poetry.lock
index 7e414db..7ce319e 100644
--- a/tests/fixtures/simple_project/poetry.lock
+++ b/tests/fixtures/simple_project/poetry.lock
@@ -7,6 +7,7 @@ python-versions = "*"
 version = "1.0.0"
 
 [metadata]
+lock-version = "1.0"
 content-hash = "940146b262cc643ca9ab2e882e530cc737484f7a10fa7623439fa401c1b3af72"
 python-versions = "~2.7 || ^3.4"
 
diff --git a/tests/fixtures/simple_project_with_dev_dep/poetry.lock b/tests/fixtures/simple_project_with_dev_dep/poetry.lock
index 8c69716..31ea28d 100644
--- a/tests/fixtures/simple_project_with_dev_dep/poetry.lock
+++ b/tests/fixtures/simple_project_with_dev_dep/poetry.lock
@@ -7,6 +7,7 @@ python-versions = "*"
 version = "1.0.0"
 
 [metadata]
+lock-version = "1.0"
 content-hash = "84d6d2a62597932428c63eb32553bbd5b803651a1878365bd33d0df15f741c44"
 python-versions = "~2.7 || ^3.4"
 
diff --git a/tests/fixtures/simple_project_with_editable_dep/poetry.lock b/tests/fixtures/simple_project_with_editable_dep/poetry.lock
index 5bb223b..d3ac38d 100644
--- a/tests/fixtures/simple_project_with_editable_dep/poetry.lock
+++ b/tests/fixtures/simple_project_with_editable_dep/poetry.lock
@@ -1,4 +1,5 @@
 [metadata]
+lock-version = "1.0"
 content-hash = "4bf28231e477206338f6afc67df322e7b3601fdbf1d704521e1676a33603768b"
 python-versions = "~2.7 || ^3.4"
 
diff --git a/tests/fixtures/simple_project_with_no_module/poetry.lock b/tests/fixtures/simple_project_with_no_module/poetry.lock
index 3b8c78d..039340e 100644
--- a/tests/fixtures/simple_project_with_no_module/poetry.lock
+++ b/tests/fixtures/simple_project_with_no_module/poetry.lock
@@ -7,6 +7,7 @@ python-versions = "*"
 version = "1.0.0"
 
 [metadata]
+lock-version = "1.0"
 content-hash = "e97e6b0e10d38d2bbc2549ae152a31c81e1d2ed5e65a2cdf395d4ade26e9bf41"
 python-versions = "~2.7 || ^3.4"