diff --git a/newsfragments/3421.bugfix.rst b/newsfragments/3421.bugfix.rst
new file mode 100644
index 0000000000..2c8a6fb88d
--- /dev/null
+++ b/newsfragments/3421.bugfix.rst
@@ -0,0 +1 @@
+A bugfix, pre-release, to update the ``Beacon`` APIs (sync and async) to properly use the new ``HTTPSessionManager``.
diff --git a/tests/beacon/test_async_beacon.py b/tests/beacon/test_async_beacon.py
index a9a8f03665..ca0efa9509 100644
--- a/tests/beacon/test_async_beacon.py
+++ b/tests/beacon/test_async_beacon.py
@@ -3,17 +3,14 @@
     randint,
 )
 
+from aiohttp.client_exceptions import (
+    InvalidURL,
+)
 import pytest_asyncio
 
-from web3._utils.request import (
-    _async_session_cache,
-)
 from web3.beacon import (
     AsyncBeacon,
 )
-from web3.exceptions import (
-    Web3ValueError,
-)
 
 # tested against lighthouse which uses port 5052 by default
 BASE_URL = "http://localhost:5052"
@@ -27,20 +24,22 @@ def _assert_valid_response(response):
 
 @pytest.fixture
 def async_beacon():
-    return AsyncBeacon(base_url=BASE_URL)
+    return AsyncBeacon(base_url=BASE_URL, request_timeout=30.0)
 
 
 @pytest_asyncio.fixture(autouse=True)
-async def _cleanup():
+async def _cleanup(async_beacon):
     yield
-    [await session.close() for _, session in _async_session_cache.items()]
-    _async_session_cache.clear()
+    [
+        await session.close()
+        for _, session in async_beacon._request_session_manager.session_cache.items()
+    ]
 
 
 # sanity check to make sure the positive test cases are valid
 @pytest.mark.asyncio
 async def test_async_cl_beacon_raises_exception_on_invalid_url(async_beacon):
-    with pytest.raises(Web3ValueError):
+    with pytest.raises(InvalidURL):
         await async_beacon._async_make_get_request(
             BASE_URL + "/eth/v1/beacon/nonexistent"
         )
diff --git a/tests/beacon/test_beacon.py b/tests/beacon/test_beacon.py
index 5bdaf06bd9..112c2276f2 100644
--- a/tests/beacon/test_beacon.py
+++ b/tests/beacon/test_beacon.py
@@ -6,16 +6,13 @@
 from requests import (
     Timeout,
 )
-
-from web3._utils.request import (
-    _session_cache,
+from requests.exceptions import (
+    InvalidURL,
 )
+
 from web3.beacon import (
     Beacon,
 )
-from web3.exceptions import (
-    Web3ValueError,
-)
 
 # tested against lighthouse which uses port 5052 by default
 BASE_URL = "http://localhost:5052"
@@ -32,15 +29,9 @@ def beacon():
     return Beacon(base_url=BASE_URL)
 
 
-@pytest.fixture(autouse=True)
-def _cleanup():
-    yield
-    _session_cache.clear()
-
-
 # sanity check to make sure the positive test cases are valid
 def test_cl_beacon_raises_exception_on_invalid_url(beacon):
-    with pytest.raises(Web3ValueError):
+    with pytest.raises(InvalidURL):
         beacon._make_get_request(BASE_URL + "/eth/v1/beacon/nonexistent")
 
 
diff --git a/web3/beacon/async_beacon.py b/web3/beacon/async_beacon.py
index f1643776f0..5368caffc3 100644
--- a/web3/beacon/async_beacon.py
+++ b/web3/beacon/async_beacon.py
@@ -8,6 +8,9 @@
     HexStr,
 )
 
+from web3._utils.http_session_manager import (
+    HTTPSessionManager,
+)
 from web3.beacon.api_endpoints import (
     GET_ATTESTATIONS,
     GET_ATTESTER_SLASHINGS,
@@ -47,9 +50,6 @@
     GET_VERSION,
     GET_VOLUNTARY_EXITS,
 )
-from web3.session_manager import (
-    HTTPSessionManager,
-)
 
 
 class AsyncBeacon:
diff --git a/web3/beacon/beacon.py b/web3/beacon/beacon.py
index f2f7270f87..2a77585159 100644
--- a/web3/beacon/beacon.py
+++ b/web3/beacon/beacon.py
@@ -8,6 +8,9 @@
     HexStr,
 )
 
+from web3._utils.http_session_manager import (
+    HTTPSessionManager,
+)
 from web3.beacon.api_endpoints import (
     GET_ATTESTATIONS,
     GET_ATTESTER_SLASHINGS,
@@ -47,9 +50,6 @@
     GET_VERSION,
     GET_VOLUNTARY_EXITS,
 )
-from web3.session_manager import (
-    HTTPSessionManager,
-)
 
 
 class Beacon: