diff --git a/src/repoma/check_dev_files/conda.py b/src/repoma/check_dev_files/conda.py
index e5e10c71..a76f7e22 100644
--- a/src/repoma/check_dev_files/conda.py
+++ b/src/repoma/check_dev_files/conda.py
@@ -8,7 +8,11 @@
 
 from repoma.errors import PrecommitError
 from repoma.utilities import CONFIG_PATH
-from repoma.utilities.project_info import PythonVersion, get_constraints_file
+from repoma.utilities.project_info import (
+    PythonVersion,
+    get_constraints_file,
+    is_package,
+)
 from repoma.utilities.yaml import create_prettier_round_trip_yaml
 
 if TYPE_CHECKING:
@@ -18,6 +22,8 @@
 def main(python_version: PythonVersion) -> None:
     if not CONFIG_PATH.conda.exists():
         return
+    if not is_package():
+        return
     yaml = create_prettier_round_trip_yaml()
     conda_env: CommentedMap = yaml.load(CONFIG_PATH.conda)
     conda_deps: CommentedSeq = conda_env.get("dependencies", [])
diff --git a/src/repoma/check_dev_files/jupyter.py b/src/repoma/check_dev_files/jupyter.py
index 9061165a..cd10b370 100644
--- a/src/repoma/check_dev_files/jupyter.py
+++ b/src/repoma/check_dev_files/jupyter.py
@@ -1,7 +1,7 @@
 """Update the developer setup when using Jupyter notebooks."""
 
 from repoma.utilities.executor import Executor
-from repoma.utilities.project_info import get_supported_python_versions
+from repoma.utilities.project_info import get_supported_python_versions, is_package
 from repoma.utilities.pyproject import add_dependency
 
 
@@ -10,6 +10,8 @@ def main() -> None:
 
 
 def _update_dev_requirements() -> None:
+    if not is_package():
+        return
     if "3.6" in get_supported_python_versions():
         return
     hierarchy = ["jupyter", "dev"]
diff --git a/src/repoma/utilities/project_info.py b/src/repoma/utilities/project_info.py
index d85bf4f0..5520a130 100644
--- a/src/repoma/utilities/project_info.py
+++ b/src/repoma/utilities/project_info.py
@@ -80,19 +80,22 @@ def from_setup_cfg(cfg: ConfigParser) -> ProjectInfo:
 
 
 def get_project_info(pyproject: TOMLDocument | None = None) -> ProjectInfo:
+    project_info = _load_project_info(pyproject)
+    if project_info is None or project_info.is_empty():
+        msg = f"No valid {CONFIG_PATH.setup_cfg} or {CONFIG_PATH.pyproject} found"
+        raise PrecommitError(msg)
+    return project_info
+
+
+def _load_project_info(pyproject: TOMLDocument | None = None) -> ProjectInfo | None:
     if pyproject is not None or os.path.exists(CONFIG_PATH.pyproject):
         if pyproject is None:
             pyproject = load_pyproject()
-        project_info = ProjectInfo.from_pyproject_toml(pyproject)
-        if not project_info.is_empty():
-            return project_info
+        return ProjectInfo.from_pyproject_toml(pyproject)
     if os.path.exists(CONFIG_PATH.setup_cfg):
         cfg = open_config(CONFIG_PATH.setup_cfg)
-        project_info = ProjectInfo.from_setup_cfg(cfg)
-        if not project_info.is_empty():
-            return project_info
-    msg = f"No valid {CONFIG_PATH.setup_cfg} or {CONFIG_PATH.pyproject} found"
-    raise PrecommitError(msg)
+        return ProjectInfo.from_setup_cfg(cfg)
+    return None
 
 
 def _extract_python_versions(classifiers: list[str]) -> list[PythonVersion] | None:
@@ -167,3 +170,8 @@ def get_constraints_file(python_version: PythonVersion) -> Path | None:
     if path.exists():
         return path
     return None
+
+
+def is_package() -> bool:
+    project_info = _load_project_info()
+    return project_info is not None and not project_info.is_empty()