diff --git a/hazelcast/protocol/__init__.py b/hazelcast/protocol/__init__.py
index 6bb8702b1d..146e041fde 100644
--- a/hazelcast/protocol/__init__.py
+++ b/hazelcast/protocol/__init__.py
@@ -130,7 +130,7 @@ def of(predicate, to_data):
             anchor_data_list.append((key, value))
 
         anchor_data_list_holder = AnchorDataListHolder(page_list, anchor_data_list)
-        predicate_data = to_data(predicate)
+        predicate_data = to_data(predicate._internal_predicate)
         comparator_data = to_data(predicate.comparator)
         iteration_type = predicate.iteration_type
 
diff --git a/start_rc.py b/start_rc.py
index 457753530c..03e2fab440 100644
--- a/start_rc.py
+++ b/start_rc.py
@@ -3,7 +3,7 @@
 import sys
 from os.path import isfile
 
-SERVER_VERSION = "5.5.0-SNAPSHOT"
+SERVER_VERSION = "5.5.0"
 RC_VERSION = "0.8-SNAPSHOT"
 
 RELEASE_REPO = "https://repo1.maven.apache.org/maven2"
diff --git a/tests/integration/backward_compatible/predicate_test.py b/tests/integration/backward_compatible/predicate_test.py
index ed43525b09..b9917474f9 100644
--- a/tests/integration/backward_compatible/predicate_test.py
+++ b/tests/integration/backward_compatible/predicate_test.py
@@ -28,7 +28,7 @@
     write_string_to_writer,
     read_string_from_reader,
 )
-from tests.util import random_string, get_abs_path, skip_if_server_version_newer_than_or_equal
+from tests.util import random_string, get_abs_path
 from hazelcast import HazelcastClient
 
 
@@ -171,8 +171,6 @@ def test_false(self):
         self.assertCountEqual(self.map.key_set(predicate), [])
 
     def test_paging(self):
-        # https://github.com/hazelcast/hazelcast-python-client/issues/666
-        skip_if_server_version_newer_than_or_equal(self, self.client, "5.4")
         self.fill_map_numeric()
         predicate = paging(less("this", 4), 2)
         self.assertCountEqual([0, 1], self.map.key_set(predicate))
@@ -341,8 +339,6 @@ def setUpClass(cls):
         cls.map = cls.client.get_map(random_string()).blocking()
 
     def setUp(self):
-        # https://github.com/hazelcast/hazelcast-python-client/issues/666
-        skip_if_server_version_newer_than_or_equal(self, self.client, "5.4")
         self.map.clear()
 
     @classmethod