diff --git a/CHANGES/5403.bugfix b/CHANGES/5403.bugfix
new file mode 100644
index 00000000000..40cc5a22294
--- /dev/null
+++ b/CHANGES/5403.bugfix
@@ -0,0 +1 @@
+Stop automatically releasing the ``ClientResponse`` object on calls to the ``ok`` property for the failed requests.
diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index b1278f52325..48c122174c4 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -3,6 +3,7 @@
 A. Jesse Jiryu Davis
 Adam Bannister
 Adam Cooper
+Adam Horacek
 Adam Mills
 Adrian Krupa
 Adrián Chaves
diff --git a/aiohttp/client_reqrep.py b/aiohttp/client_reqrep.py
index 97b2ce25f00..801bc6dcda7 100644
--- a/aiohttp/client_reqrep.py
+++ b/aiohttp/client_reqrep.py
@@ -923,14 +923,10 @@ def ok(self) -> bool:
         This is **not** a check for ``200 OK`` but a check that the response
         status is under 400.
         """
-        try:
-            self.raise_for_status()
-        except ClientResponseError:
-            return False
-        return True
+        return 400 > self.status
 
     def raise_for_status(self) -> None:
-        if 400 <= self.status:
+        if not self.ok:
             # reason should always be not None for a started response
             assert self.reason is not None
             self.release()
diff --git a/tests/test_client_response.py b/tests/test_client_response.py
index 9b81e3ea6f2..9f3c4990085 100644
--- a/tests/test_client_response.py
+++ b/tests/test_client_response.py
@@ -1243,3 +1243,24 @@ def test_response_links_empty(loop: Any, session: Any) -> None:
     )
     response._headers = CIMultiDict()
     assert response.links == {}
+
+
+def test_response_not_closed_after_get_ok(mocker) -> None:
+    response = ClientResponse(
+        "get",
+        URL("http://del-cl-resp.org"),
+        request_info=mock.Mock(),
+        writer=mock.Mock(),
+        continue100=None,
+        timer=TimerNoop(),
+        traces=[],
+        loop=mock.Mock(),
+        session=mock.Mock(),
+    )
+    response.status = 400
+    response.reason = "Bad Request"
+    response._closed = False
+    spy = mocker.spy(response, "raise_for_status")
+    assert not response.ok
+    assert not response.closed
+    assert spy.call_count == 0