diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 8d001093..0c77a4bb 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ "3.7", "3.8", "3.9", "3.10" ]
+        python-version: [ "3.7", "3.8", "3.9", "3.10", "3.11" ]
     services:
       postgres:
         image: postgres
diff --git a/fastapi_crudrouter/_version.py b/fastapi_crudrouter/_version.py
index af46754d..de77196f 100644
--- a/fastapi_crudrouter/_version.py
+++ b/fastapi_crudrouter/_version.py
@@ -1 +1 @@
-__version__ = "0.8.5"
+__version__ = "0.8.6"
diff --git a/setup.py b/setup.py
index 1288f6de..1ab8da6e 100644
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@ def get_version():
     long_description=open("README.md").read(),
     long_description_content_type="text/markdown",
     install_requires=["fastapi"],
-    python_requires=">=3.6",
+    python_requires=">=3.7",
     keywords=["fastapi", "crud", "restful", "routing", "generator", "crudrouter"],
     classifiers=[
         "Operating System :: OS Independent",
@@ -44,11 +44,11 @@ def get_version():
         "Intended Audience :: System Administrators",
         "License :: OSI Approved :: MIT License",
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Topic :: Internet :: WWW/HTTP :: HTTP Servers",
         "Topic :: Internet :: WWW/HTTP",
     ],
diff --git a/tests/dev.requirements.txt b/tests/dev.requirements.txt
index f4dc82e2..9182cdd5 100644
--- a/tests/dev.requirements.txt
+++ b/tests/dev.requirements.txt
@@ -1,13 +1,12 @@
 fastapi
-async-generator; python_version=='3.6'
-async-exit-stack; python_version=='3.6'
+httpx
 
 # Backends
 ormar
-tortoise-orm==0.17.8; python_version>='3.7'
+tortoise-orm==0.18.1
 databases
 aiosqlite
-sqlalchemy==1.3.22
+sqlalchemy<1.4.0
 sqlalchemy_utils==0.36.8
 gino-starlette==0.1.1
 asyncpg
diff --git a/tests/implementations/__init__.py b/tests/implementations/__init__.py
index 0c311095..839f22a4 100644
--- a/tests/implementations/__init__.py
+++ b/tests/implementations/__init__.py
@@ -1,3 +1,5 @@
+import sys
+
 from .databases_ import (
     databases_implementation,
     databases_implementation_custom_ids,
@@ -23,6 +25,7 @@
     sqlalchemy_implementation_string_pk,
     DSN_LIST,
 )
+from .tortoise_ import tortoise_implementation
 
 implementations = [
     (memory_implementation, ""),
@@ -33,9 +36,6 @@
 implementations.extend([(sqlalchemy_implementation, dsn) for dsn in DSN_LIST])
 implementations.extend([(databases_implementation, dsn) for dsn in DSN_LIST])
 
-try:
-    from .tortoise_ import tortoise_implementation
-except ImportError:
-    pass
-else:
+
+if sys.version_info >= (3, 8):
     implementations.append((tortoise_implementation, ""))