diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index a1b0fc3..9f2d05c 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8, 3.9, 3.10, 3.11]
+        python-version: [3.9, 3.10, 3.11]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index fe0bed2..447156e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -75,7 +75,7 @@ pytest:
       junit: pytest.xml
   parallel:
     matrix:
-      - PY_VERSION: ["3.8", "3.9", "3.10", "3.11"]
+      - PY_VERSION: ["3.9", "3.10", "3.11"]
         DUMMY: "0"
 
 .integration:
diff --git a/cimpyorm/Model/Schema.py b/cimpyorm/Model/Schema.py
index 99dc14e..9627d2a 100644
--- a/cimpyorm/Model/Schema.py
+++ b/cimpyorm/Model/Schema.py
@@ -12,7 +12,7 @@
 from argparse import Namespace
 import os
 from collections import ChainMap, defaultdict
-from typing import Iterable
+from collections.abc import Iterable
 from defusedxml.lxml import parse
 import networkx as nx
 from networkx import DiGraph, bfs_tree, dfs_tree
diff --git a/setup.py b/setup.py
index b1867a1..105cd75 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@
     name='cimpyorm',  # Required
     # https://www.python.org/dev/peps/pep-0440/
     # https://packaging.python.org/en/latest/single_source_version.html
-    version='0.9.5',  # Required
+    version='0.10.0',  # Required
     # https://packaging.python.org/specifications/core-metadata/#summary
     description="A database-backed ORM for CIM datasets.",  # Required
     # https://packaging.python.org/specifications/core-metadata/#description-optional
@@ -39,12 +39,12 @@
     author_email="t.offergeld@iaew.rwth-aachen.de",  # Optional
     # For a list of valid classifiers, see https://pypi.org/classifiers/
     classifiers=[
-        'Development Status :: 3 - Alpha', 'Intended Audience :: Developers',
+        'Development Status :: 3 - Alpha', 
+        'Intended Audience :: Developers',
         'Intended Audience :: Science/Research',
         'License :: OSI Approved :: BSD License', 'Natural Language :: English',
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.8'
         'Programming Language :: Python :: 3.9'
         'Programming Language :: Python :: 3.10'
         'Programming Language :: Python :: 3.11'