diff --git a/bench/app.py b/bench/app.py
index 1dd0b8aa..ed006427 100755
--- a/bench/app.py
+++ b/bench/app.py
@@ -158,7 +158,15 @@ class AppMeta:
 
 @functools.lru_cache(maxsize=None)
 class App(AppMeta):
-	def __init__(self, name: str, branch: str = None, bench: "Bench" = None, soft_link : bool = False, *args, **kwargs):
+	def __init__(
+		self,
+		name: str,
+		branch: str = None,
+		bench: "Bench" = None,
+		soft_link: bool = False,
+		*args,
+		**kwargs,
+	):
 		self.bench = bench
 		self.soft_link = soft_link
 		self.required_by = None
@@ -257,9 +265,14 @@ class App(AppMeta):
 
 	def update_app_state(self):
 		from bench.bench import Bench
+
 		bench = Bench(self.bench.name)
-		bench.apps.sync(app_dir=self.app_name, app_name=self.name,
-						branch=self.tag, required_list=self.local_resolution)
+		bench.apps.sync(
+			app_dir=self.app_name,
+			app_name=self.name,
+			branch=self.tag,
+			required=self.local_resolution,
+		)
 
 
 
diff --git a/bench/bench.py b/bench/bench.py
index 3585769c..03496ce0 100644
--- a/bench/bench.py
+++ b/bench/bench.py
@@ -155,10 +155,13 @@ class Bench(Base, Validator):
 	def get_installed_apps(self) -> List:
 		"""Returns list of installed apps on bench, not in excluded_apps.txt
 		"""
-		apps = [app for app in self.apps if app not in self.excluded_apps]
-		apps.remove("frappe")
-		apps.insert(0, "frappe")
-		return apps
+		try:
+			installed_packages = get_cmd_output(f"{self.python} -m pip freeze", cwd=self.name)
+		except Exception:
+			installed_packages = []
+		is_installed = lambda app: app in installed_packages
+
+		return [app for app in self.apps if app not in self.excluded_apps and is_installed(app)]
 
 
 class BenchApps(MutableSequence):
@@ -262,23 +265,14 @@ class BenchApps(MutableSequence):
 		)
 
 	def initialize_apps(self):
-		is_installed = lambda app: app in installed_packages
-
-		try:
-			installed_packages = get_cmd_output(f"{self.bench.python} -m pip freeze", cwd=self.bench.name)
-		except Exception:
-			self.apps = []
-			return
-
 		try:
 			self.apps = [
 				x
 				for x in os.listdir(os.path.join(self.bench.name, "apps"))
-				if (
-					is_frappe_app(os.path.join(self.bench.name, "apps", x))
-					and is_installed(x)
-				)
+				if is_frappe_app(os.path.join(self.bench.name, "apps", x))
 			]
+			self.apps.remove("frappe")
+			self.apps.insert(0, "frappe")
 		except FileNotFoundError:
 			self.apps = []
 
@@ -438,8 +432,7 @@ class BenchSetup(Base):
 		"""
 		from bench.app import App
 
-		if not apps:
-			apps = self.bench.get_installed_apps()
+		apps = apps or self.bench.apps
 
 		self.pip()
 
@@ -456,8 +449,7 @@ class BenchSetup(Base):
 		"""
 		import bench.cli
 
-		if not apps:
-			apps = self.bench.get_installed_apps()
+		apps = apps or self.bench.apps
 
 		quiet_flag = "" if bench.cli.verbose else "--quiet"
 
diff --git a/bench/utils/bench.py b/bench/utils/bench.py
index 8a695b7b..51d52ddb 100644
--- a/bench/utils/bench.py
+++ b/bench/utils/bench.py
@@ -84,21 +84,44 @@ def install_python_dev_dependencies(bench_path=".", apps=None, verbose=False):
 		apps = bench.get_installed_apps()
 
 	for app in apps:
+		pyproject_deps = None
 		app_path = os.path.join(bench_path, "apps", app)
-
+		pyproject_path = os.path.join(app_path, "pyproject.toml")
 		dev_requirements_path = os.path.join(app_path, "dev-requirements.txt")
 
-		if os.path.exists(dev_requirements_path):
+		if os.path.exists(pyproject_path):
+			pyproject_deps = _generate_dev_deps_pattern(pyproject_path)
+			if pyproject_deps:
+				bench.run(f"{bench.python} -m pip install {quiet_flag} --upgrade {pyproject_deps}")
+
+		if not pyproject_deps and os.path.exists(dev_requirements_path):
 			bench.run(f"{bench.python} -m pip install {quiet_flag} --upgrade -r {dev_requirements_path}")
 
 
+def _generate_dev_deps_pattern(pyproject_path):
+	try:
+		from tomli import loads
+	except ImportError:
+		from tomllib import loads
+
+	requirements_pattern = ""
+	pyroject_config = loads(open(pyproject_path).read())
+
+	try:
+		for pkg, version in pyroject_config['tool']['bench']['dev-dependencies'].items():
+			op = "=" if "=" not in version else ""
+			requirements_pattern += f"{pkg}{op}{version} "
+	except KeyError:
+		pass
+	return requirements_pattern
+
+
 def update_yarn_packages(bench_path=".", apps=None):
 	from bench.bench import Bench
 
 	bench = Bench(bench_path)
 
-	if not apps:
-		apps = bench.get_installed_apps()
+	apps = apps or bench.apps
 
 	apps_dir = os.path.join(bench.name, "apps")