diff --git a/conda_lock/_vendor/grayskull/__init__.py b/conda_lock/_vendor/grayskull/__init__.py
new file mode 100644
index 000000000..9ce1cd552
--- /dev/null
+++ b/conda_lock/_vendor/grayskull/__init__.py
@@ -0,0 +1,6 @@
+__all__ = ["__version__"]
+
+try:
+    from ._version import version as __version__
+except ImportError:
+    __version__ = "unknown"
diff --git a/conda_lock/interfaces/vendored_grayskull.py b/conda_lock/interfaces/vendored_grayskull.py
new file mode 100644
index 000000000..60ff1d5a3
--- /dev/null
+++ b/conda_lock/interfaces/vendored_grayskull.py
@@ -0,0 +1,6 @@
+from conda_lock._vendor.grayskull.strategy.parse_poetry_version import (
+    encode_poetry_version,
+)
+
+
+__all__ = ["encode_poetry_version"]
diff --git a/conda_lock/src_parser/pyproject_toml.py b/conda_lock/src_parser/pyproject_toml.py
index a513eaed6..7d78fb383 100644
--- a/conda_lock/src_parser/pyproject_toml.py
+++ b/conda_lock/src_parser/pyproject_toml.py
@@ -28,10 +28,8 @@
 from packaging.utils import canonicalize_name as canonicalize_pypi_name
 from typing_extensions import Literal
 
-from conda_lock._vendor.grayskull.strategy.parse_poetry_version import (
-    encode_poetry_version,
-)
 from conda_lock.common import get_in
+from conda_lock.interfaces.vendored_grayskull import encode_poetry_version
 from conda_lock.lookup import get_forward_lookup as get_lookup
 from conda_lock.models.lock_spec import (
     Dependency,
diff --git a/pyproject.toml b/pyproject.toml
index 2b5b9fefe..96ac753f5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -152,7 +152,11 @@ drop = [
     "poetry/utils/shell.py",
     "poetry/core/_vendor/six.py",
     "poetry/core/_vendor/six.LICENSE",
-    '^grayskull\/(?!strategy$|strategy\/parse_poetry_version\.py$|strategy\/__init__\.py$).*$',
+    # Drop everything in grayskull/ except for the listed files:
+    # - __init__.py
+    # - strategy/parse_poetry_version.py
+    # - strategy/__init__.py
+    '^grayskull\/(?!__init__\.py$|strategy\/parse_poetry_version\.py$|strategy\/__init__\.py$)',
 ]
 substitute = [
     # simple substitution patch to fix conda.exports