diff --git a/pyproject.toml b/pyproject.toml
index 46b4037..8f299fd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "soliscloud-api"
-version = "1.0.0"
+version = "1.0.1"
 authors = [
   { name="Peter van Hulten", email="peter.vanhulten@gmx.net" },
 ]
diff --git a/soliscloud_api/__init__.py b/soliscloud_api/__init__.py
index 7f119ea..837e528 100644
--- a/soliscloud_api/__init__.py
+++ b/soliscloud_api/__init__.py
@@ -21,8 +21,8 @@
 import async_timeout
 
 # VERSION
-VERSION = '1.0.0'
-SUPPORTED_API_VERSION = '1.2'
+VERSION = '1.0.1'
+SUPPORTED_SPEC_VERSION = '1.2'
 RESOURCE_PREFIX = '/v1/api/'
 
 VERB = "POST"
@@ -144,6 +144,11 @@ def session(self) -> ClientSession:
         """ aiohttp client session ID."""
         return self._session
 
+    @property
+    def spec_version(self) -> str:
+        """ supported version of the Soliscloud spec."""
+        return SUPPORTED_SPEC_VERSION
+
     # All methods take key and secret as positional arguments followed by
     # one or more keyword arguments
     async def user_station_list(