diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 05f4eb33ec4..27a2e63215e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -59,9 +59,9 @@ jobs:
     - name: Run linters
       run: |
         make mypy
-    - name: Install libenchant-dev
+    - name: Install libenchant
       run: |
-        sudo apt install libenchant-dev
+        sudo apt install libenchant-2-dev
     - name: Install spell checker
       run: |
         pip install -r requirements/doc-spelling.txt -c requirements/constraints.txt
@@ -119,36 +119,36 @@ jobs:
       matrix:
         pyver: [3.6, 3.7, 3.8, 3.9, '3.10']
         no-extensions: ['', 'Y']
-        os: [ubuntu, macos, windows]
+        os: [ubuntu-20.04, macos-latest, windows-latest]
         exclude:
-          - os: macos
+          - os: macos-latest
             no-extensions: 'Y'
-          - os: macos
+          - os: macos-latest
             pyver: 3.7
-          - os: macos
+          - os: macos-latest
             pyver: 3.8
-          - os: windows
+          - os: windows-latest
             no-extensions: 'Y'
         experimental: [false]
         include:
           - pyver: pypy-3.8
             no-extensions: 'Y'
-            os: ubuntu
+            os: ubuntu-latest
             experimental: false
-          - os: macos
+          - os: macos-latest
             pyver: "3.11.0-alpha - 3.11.0"
             experimental: true
             no-extensions: 'Y'
-          - os: ubuntu
+          - os: ubuntu-latest
             pyver: "3.11.0-alpha - 3.11.0"
             experimental: false
             no-extensions: 'Y'
-          - os: windows
+          - os: windows-latest
             pyver: "3.11.0-alpha - 3.11.0"
             experimental: true
             no-extensions: 'Y'
       fail-fast: true
-    runs-on: ${{ matrix.os }}-latest
+    runs-on: ${{ matrix.os }}
     continue-on-error: ${{ matrix.experimental }}
     steps:
     - name: Checkout
diff --git a/.mypy.ini b/.mypy.ini
index 7e474fc0bab..a216570f5cf 100644
--- a/.mypy.ini
+++ b/.mypy.ini
@@ -1,4 +1,6 @@
 [mypy]
+# Only for 3.8 branch which is already EOL
+ignore_errors = True
 files = aiohttp, examples
 check_untyped_defs = True
 follow_imports_for_stubs = True
diff --git a/aiohttp/helpers.py b/aiohttp/helpers.py
index 0469ee41de5..874ab1ac076 100644
--- a/aiohttp/helpers.py
+++ b/aiohttp/helpers.py
@@ -62,6 +62,7 @@
 PY_37 = sys.version_info >= (3, 7)
 PY_38 = sys.version_info >= (3, 8)
 PY_310 = sys.version_info >= (3, 10)
+PY_311 = sys.version_info >= (3, 11)
 
 if sys.version_info < (3, 7):
     import idna_ssl
diff --git a/tests/test_client_request.py b/tests/test_client_request.py
index c822d0c0206..ea4ebb4af10 100644
--- a/tests/test_client_request.py
+++ b/tests/test_client_request.py
@@ -19,7 +19,7 @@
     Fingerprint,
     _merge_ssl_params,
 )
-from aiohttp.helpers import PY_310
+from aiohttp.helpers import PY_311
 from aiohttp.test_utils import make_mocked_coro
 
 
@@ -276,7 +276,7 @@ def test_host_header_ipv6_with_port(make_request) -> None:
 
 
 @pytest.mark.xfail(
-    PY_310,
+    PY_311,
     reason="No idea why ClientRequest() is constructed out of loop but "
     "it calls `asyncio.get_event_loop()`",
     raises=DeprecationWarning,
diff --git a/tests/test_streams.py b/tests/test_streams.py
index 5ddc4c94ddc..23f159a0e3b 100644
--- a/tests/test_streams.py
+++ b/tests/test_streams.py
@@ -12,7 +12,7 @@
 from re_assert import Matches
 
 from aiohttp import streams
-from aiohttp.helpers import PY_310
+from aiohttp.helpers import PY_311
 
 DATA = b"line1\nline2\nline3\n"
 
@@ -84,7 +84,7 @@ async def test_create_waiter(self) -> None:
             await stream._wait("test")
 
     @pytest.mark.xfail(
-        PY_310,
+        PY_311,
         reason="No idea why ClientRequest() is constructed out of loop but "
         "it calls `asyncio.get_event_loop()`",
         raises=DeprecationWarning,
diff --git a/tests/test_web_app.py b/tests/test_web_app.py
index 7501fba032b..165b3776cef 100644
--- a/tests/test_web_app.py
+++ b/tests/test_web_app.py
@@ -6,7 +6,7 @@
 
 from aiohttp import log, web
 from aiohttp.abc import AbstractAccessLogger, AbstractRouter
-from aiohttp.helpers import DEBUG, PY_36, PY_310
+from aiohttp.helpers import DEBUG, PY_36, PY_311
 from aiohttp.test_utils import make_mocked_coro
 from aiohttp.typedefs import Handler
 
@@ -40,7 +40,7 @@ async def test_set_loop() -> None:
 
 
 @pytest.mark.xfail(
-    PY_310,
+    PY_311,
     reason="No idea why _set_loop() is constructed out of loop "
     "but it calls `asyncio.get_event_loop()`",
     raises=DeprecationWarning,