diff --git a/clickusagemd.py b/clickusagemd.py
index 6745592..84e7e80 100755
--- a/clickusagemd.py
+++ b/clickusagemd.py
@@ -1,14 +1,22 @@
 #!/usr/bin/env python3
 
 import importlib
+import os
 from typing import Iterator
 
 import click
+import git
 import toml
 
 from clickusagelib.githook import install_hook, uninstall_hook
 
 
+def find_git_root(path) -> str:
+    git_repo = git.Repo(path, search_parent_directories=True)
+    git_root = git_repo.git.rev_parse("--show-toplevel")
+    return git_root
+
+
 def iter_commands(
     module_name: str,
     cmd_chain: list,
@@ -63,7 +71,11 @@ def cli():
 
 
 @cli.command(help="Generate markdown usage description.")
-@click.argument("poetry_project_file", type=click.File(), default="pyproject.toml")
+@click.argument(
+    "poetry_project_file",
+    type=click.File(),
+    default=os.path.join(find_git_root(os.getcwd()), "pyproject.toml"),
+)
 @click.pass_context
 def run(ctx, poetry_project_file):
     contents = toml.loads(poetry_project_file.read())
@@ -79,12 +91,12 @@ def run(ctx, poetry_project_file):
 
 @cli.command(help="Install clickusagemd as pre-push hook.")
 def install():
-    install_hook("./")
+    install_hook(find_git_root(os.getcwd()))
 
 
 @cli.command(help="Uninstall clickusagemd pre-push hook.")
 def uninstall():
-    uninstall_hook("./")
+    uninstall_hook(find_git_root(os.getcwd()))
 
 
 cli.add_command(run)
diff --git a/poetry.lock b/poetry.lock
index f607f99..3501c61 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -45,6 +45,28 @@ python-versions = ">=3.7"
 docs = ["furo (>=2021.8.17b43)", "sphinx (>=4.1)", "sphinx-autodoc-typehints (>=1.12)"]
 testing = ["covdefaults (>=1.2.0)", "coverage (>=4)", "pytest (>=4)", "pytest-cov", "pytest-timeout (>=1.4.2)"]
 
+[[package]]
+name = "gitdb"
+version = "4.0.9"
+description = "Git Object Database"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+smmap = ">=3.0.1,<6"
+
+[[package]]
+name = "gitpython"
+version = "3.1.27"
+description = "GitPython is a python library used to interact with Git repositories"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
+[package.dependencies]
+gitdb = ">=4.0.1,<5"
+
 [[package]]
 name = "identify"
 version = "2.5.1"
@@ -108,6 +130,14 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 
+[[package]]
+name = "smmap"
+version = "5.0.0"
+description = "A pure Python implementation of a sliding window memory map manager"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
 [[package]]
 name = "toml"
 version = "0.10.2"
@@ -136,8 +166,8 @@ testing = ["coverage (>=4)", "coverage-enable-subprocess (>=1)", "flaky (>=3)",
 
 [metadata]
 lock-version = "1.1"
-python-versions = "^3.10"
-content-hash = "6ca2ad33513723ed550f109e19f853415315fbb35760107dbf3a5818ffc4be4b"
+python-versions = "^3.8"
+content-hash = "c422cf7a9ff8a7d8d80908da29095a1ada90a86b3cea5e9b0ee7e00141e52c78"
 
 [metadata.files]
 cfgv = []
@@ -145,11 +175,14 @@ click = []
 colorama = []
 distlib = []
 filelock = []
+gitdb = []
+gitpython = []
 identify = []
 nodeenv = []
 platformdirs = []
 pre-commit = []
 pyyaml = []
 six = []
+smmap = []
 toml = []
 virtualenv = []
diff --git a/pyproject.toml b/pyproject.toml
index 8cde894..09bdc44 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,6 +16,7 @@ packages = [
 python = "^3.8"
 click = "^8.1.3"
 toml = "^0.10.2"
+GitPython = "^3.1.27"
 
 [tool.poetry.dev-dependencies]
 pre-commit = "^2.20.0"