diff --git a/psa_car_controller/__init__.py b/psa_car_controller/__init__.py
index 51e090d..db8e305 100644
--- a/psa_car_controller/__init__.py
+++ b/psa_car_controller/__init__.py
@@ -1,4 +1,10 @@
-from pathlib import Path
-from single_source import get_version
+import sys
 
-__version__ = get_version(__name__, Path(__file__), default_return="dev")
+if sys.version_info[:2] >= (3, 8):
+    from importlib import metadata
+else:
+    import importlib_metadata as metadata
+
+__version__ = metadata.version(__package__)
+
+del metadata, sys
diff --git a/pyproject.toml b/pyproject.toml
index d6901b6..1d7df63 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ include = [
 [tool.poetry.dependencies]
 python = ">=3.7.0, <4.0.0"
 paho-mqtt = ">=1.5.0"
-dash = ">=2, <2.9.0"
+dash = ">2.0.0, <2.9.0"
 dash-daq = "^0.5.0"
 plotly = ">=5"
 cryptography = ">=2.6"
@@ -36,7 +36,7 @@ certifi = ">=14.05.14"
 six = ">=1.10"
 python-dateutil = ">=2.5.3"
 urllib3 = ">=1.15.1"
-single-source = "^0.3.0"
+importlib-metadata = {version = ">=1.7.0", python = "<3.8"}
 
 [tool.poetry.dev-dependencies]
 prospector = ">=1.3.0"