diff --git a/ipykernel/eventloops.py b/ipykernel/eventloops.py
index fe4e2059..ef54f410 100644
--- a/ipykernel/eventloops.py
+++ b/ipykernel/eventloops.py
@@ -429,7 +429,7 @@ async def close_loop():
         close_loop()
 
     elif not loop.is_closed():
-        loop.run_until_complete(close_loop)  # type:ignore[call-overload]
+        loop.run_until_complete(close_loop)  # type:ignore[arg-type]
         loop.close()
 
 
@@ -567,8 +567,10 @@ def enable_gui(gui, kernel=None):
 
     loop = loop_map[gui]
     if (
-        loop and kernel.eventloop is not None and kernel.eventloop is not loop
-    ):  # type:ignore[unreachable]
+        loop
+        and kernel.eventloop is not None
+        and kernel.eventloop is not loop  # type:ignore[unreachable]
+    ):
         msg = "Cannot activate multiple GUI eventloops"  # type:ignore[unreachable]
         raise RuntimeError(msg)
     kernel.eventloop = loop
diff --git a/ipykernel/ipkernel.py b/ipykernel/ipkernel.py
index 5726a423..f82831cc 100644
--- a/ipykernel/ipkernel.py
+++ b/ipykernel/ipkernel.py
@@ -29,7 +29,7 @@
 try:
     from IPython.core.interactiveshell import _asyncio_runner  # type:ignore[attr-defined]
 except ImportError:
-    _asyncio_runner = None
+    _asyncio_runner = None  # type:ignore[assignment]
 
 try:
     from IPython.core.completer import provisionalcompleter as _provisionalcompleter
@@ -377,7 +377,7 @@ async def run_cell(*args, **kwargs):
                 preprocessing_exc_tuple = sys.exc_info()
 
             if (
-                _asyncio_runner
+                _asyncio_runner  # type:ignore[truthy-bool]
                 and shell.loop_runner is _asyncio_runner
                 and asyncio.get_event_loop().is_running()
                 and should_run_async(
@@ -625,7 +625,7 @@ def do_apply(self, content, bufs, msg_id, reply_metadata):
         try:
             from ipyparallel.serialize import serialize_object, unpack_apply_message
         except ImportError:
-            from .serialize import serialize_object, unpack_apply_message  # type:ignore[no-redef]
+            from .serialize import serialize_object, unpack_apply_message
 
         shell = self.shell
         try:
diff --git a/ipykernel/kernelapp.py b/ipykernel/kernelapp.py
index c507a633..990d6ba4 100644
--- a/ipykernel/kernelapp.py
+++ b/ipykernel/kernelapp.py
@@ -460,9 +460,9 @@ def init_blackhole(self):
         if self.no_stdout or self.no_stderr:
             blackhole = open(os.devnull, "w")  # noqa
             if self.no_stdout:
-                sys.stdout = sys.__stdout__ = blackhole
+                sys.stdout = sys.__stdout__ = blackhole  # type:ignore[misc]
             if self.no_stderr:
-                sys.stderr = sys.__stderr__ = blackhole
+                sys.stderr = sys.__stderr__ = blackhole  # type:ignore[misc]
 
     def init_io(self):
         """Redirect input streams and set a display hook."""
diff --git a/pyproject.toml b/pyproject.toml
index 9c3dd60d..cf4f8087 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -112,7 +112,7 @@ matrix.qt.features = [
 
 [tool.hatch.envs.typing]
 features = ["test"]
-dependencies = ["mypy>=0.990"]
+dependencies = ["mypy>=1.5.1"]
 [tool.hatch.envs.typing.scripts]
 test = "mypy --install-types --non-interactive {args:.}"