diff --git a/airbyte-integrations/connectors/source-gitlab/Dockerfile b/airbyte-integrations/connectors/source-gitlab/Dockerfile
index 7b85d4ae6f0..8f5a9b3e433 100644
--- a/airbyte-integrations/connectors/source-gitlab/Dockerfile
+++ b/airbyte-integrations/connectors/source-gitlab/Dockerfile
@@ -13,5 +13,5 @@ COPY main.py ./
 
 ENTRYPOINT ["python", "/airbyte/integration_code/main.py"]
 
-LABEL io.airbyte.version=1.4.1
+LABEL io.airbyte.version=1.4.2
 LABEL io.airbyte.name=airbyte/source-gitlab
diff --git a/airbyte-integrations/connectors/source-gitlab/metadata.yaml b/airbyte-integrations/connectors/source-gitlab/metadata.yaml
index 9dd6539299e..e198fc9b315 100644
--- a/airbyte-integrations/connectors/source-gitlab/metadata.yaml
+++ b/airbyte-integrations/connectors/source-gitlab/metadata.yaml
@@ -5,7 +5,7 @@ data:
   connectorSubtype: api
   connectorType: source
   definitionId: 5e6175e5-68e1-4c17-bff9-56103bbb0d80
-  dockerImageTag: 1.4.1
+  dockerImageTag: 1.4.2
   dockerRepository: airbyte/source-gitlab
   githubIssueLabel: source-gitlab
   icon: gitlab.svg
diff --git a/airbyte-integrations/connectors/source-gitlab/source_gitlab/source.py b/airbyte-integrations/connectors/source-gitlab/source_gitlab/source.py
index ff83316bbc2..d2528c2ffd1 100644
--- a/airbyte-integrations/connectors/source-gitlab/source_gitlab/source.py
+++ b/airbyte-integrations/connectors/source-gitlab/source_gitlab/source.py
@@ -3,6 +3,7 @@
 #
 
 
+import os
 import pendulum
 from typing import Any, List, Mapping, MutableMapping, Optional, Tuple, Union
 
@@ -42,6 +43,7 @@ from .streams import (
     Tags,
     Users,
 )
+from .utils import parse_url
 
 
 class SingleUseRefreshTokenGitlabOAuth2Authenticator(SingleUseRefreshTokenOauth2Authenticator):
@@ -129,7 +131,16 @@ class SourceGitlab(AbstractSource):
         for stream_slice in stream.stream_slices(sync_mode=SyncMode.full_refresh):
             yield from stream.read_records(sync_mode=SyncMode.full_refresh, stream_slice=stream_slice)
 
+    @staticmethod
+    def _is_http_allowed() -> bool:
+        return os.environ.get("DEPLOYMENT_MODE", "").upper() != "CLOUD"
+
     def check_connection(self, logger, config) -> Tuple[bool, any]:
+        is_valid, scheme, _ = parse_url(config["api_url"])
+        if not is_valid:
+            return False, "Invalid API resource locator."
+        if scheme == "http" and not self._is_http_allowed():
+            return False, "Http scheme is not allowed in this environment. Please use `https` instead."
         try:
             projects = self._projects_stream(config)
             for stream_slice in projects.stream_slices(sync_mode=SyncMode.full_refresh):
diff --git a/airbyte-integrations/connectors/source-gitlab/source_gitlab/spec.json b/airbyte-integrations/connectors/source-gitlab/source_gitlab/spec.json
index 0e5dd6ff8da..e3ec9fa01cd 100644
--- a/airbyte-integrations/connectors/source-gitlab/source_gitlab/spec.json
+++ b/airbyte-integrations/connectors/source-gitlab/source_gitlab/spec.json
@@ -75,7 +75,7 @@
       },
       "api_url": {
         "type": "string",
-        "examples": ["gitlab.com"],
+        "examples": ["gitlab.com", "https://gitlab.com", "https://gitlab.company.org"],
         "title": "API URL",
         "default": "gitlab.com",
         "description": "Please enter your basic URL from GitLab instance.",
diff --git a/airbyte-integrations/connectors/source-gitlab/source_gitlab/streams.py b/airbyte-integrations/connectors/source-gitlab/source_gitlab/streams.py
index 5ae40fe0ce4..de655d03e97 100644
--- a/airbyte-integrations/connectors/source-gitlab/source_gitlab/streams.py
+++ b/airbyte-integrations/connectors/source-gitlab/source_gitlab/streams.py
@@ -5,7 +5,6 @@
 import datetime
 from abc import ABC
 from typing import Any, Dict, Iterable, List, Mapping, MutableMapping, Optional, Tuple
-from urllib.parse import urlparse
 
 import pendulum
 import requests
@@ -14,6 +13,8 @@ from airbyte_cdk.sources.streams.availability_strategy import AvailabilityStrate
 from airbyte_cdk.sources.streams.core import StreamData
 from airbyte_cdk.sources.streams.http import HttpStream
 
+from .utils import parse_url
+
 
 class GitlabStream(HttpStream, ABC):
     primary_key = "id"
@@ -53,12 +54,7 @@ class GitlabStream(HttpStream, ABC):
 
     @property
     def url_base(self) -> str:
-        parse_result = urlparse(self.api_url)
-        # Default scheme to "https" if URL doesn't contain
-        scheme = parse_result.scheme if parse_result.scheme else "https"
-        # hostname without a scheme will result in `path` attribute
-        # Use path if netloc is not detected
-        host = parse_result.netloc if parse_result.netloc else parse_result.path
+        _, scheme, host = parse_url(self.api_url)
         return f"{scheme}://{host}/api/v4/"
 
     @property
diff --git a/airbyte-integrations/connectors/source-gitlab/source_gitlab/utils.py b/airbyte-integrations/connectors/source-gitlab/source_gitlab/utils.py
new file mode 100644
index 00000000000..0b5605260a4
--- /dev/null
+++ b/airbyte-integrations/connectors/source-gitlab/source_gitlab/utils.py
@@ -0,0 +1,20 @@
+#
+# Copyright (c) 2023 Airbyte, Inc., all rights reserved.
+#
+
+from typing import Tuple
+
+
+def parse_url(url: str) -> Tuple[bool, str, str]:
+    parts = url.split("://")
+    if len(parts) > 1:
+        scheme, url = parts
+    else:
+        scheme = "https"
+    if scheme not in ("http", "https"):
+        return False, "", ""
+    parts = url.split("/", 1)
+    if len(parts) > 1:
+        return False, "", ""
+    host, *_ = parts
+    return True, scheme, host
diff --git a/airbyte-integrations/connectors/source-gitlab/unit_tests/conftest.py b/airbyte-integrations/connectors/source-gitlab/unit_tests/conftest.py
index 15c35e4764b..d250f548925 100644
--- a/airbyte-integrations/connectors/source-gitlab/unit_tests/conftest.py
+++ b/airbyte-integrations/connectors/source-gitlab/unit_tests/conftest.py
@@ -5,7 +5,7 @@
 import pytest
 
 
-@pytest.fixture(params=["gitlab.com", "https://gitlab.com", "https://gitlab.com/api/v4"])
+@pytest.fixture(params=["gitlab.com", "http://gitlab.com", "https://gitlab.com"])
 def config(request):
     return {
         "start_date": "2021-01-01T00:00:00Z",
diff --git a/airbyte-integrations/connectors/source-gitlab/unit_tests/test_source.py b/airbyte-integrations/connectors/source-gitlab/unit_tests/test_source.py
index e736b8044bc..1c2b2a54757 100644
--- a/airbyte-integrations/connectors/source-gitlab/unit_tests/test_source.py
+++ b/airbyte-integrations/connectors/source-gitlab/unit_tests/test_source.py
@@ -3,8 +3,8 @@
 #
 
 import logging
-import pytest
 
+import pytest
 from source_gitlab import SourceGitlab
 from source_gitlab.streams import GitlabStream
 
@@ -41,9 +41,31 @@ def test_connection_success(config, requests_mock, url_mocks):
     assert (status, msg) == (True, None)
 
 
-def test_connection_fail(config, mocker, requests_mock):
+def test_connection_fail_due_to_api_error(config, mocker, requests_mock):
     mocker.patch("time.sleep")
     requests_mock.get("/api/v4/groups", status_code=500)
     source = SourceGitlab()
     status, msg = source.check_connection(logging.getLogger(), config)
     assert status is False, msg.startswith('Unable to connect to Gitlab API with the provided credentials - "DefaultBackoffException"')
+
+
+@pytest.mark.parametrize(
+    "api_url, deployment_env, expected_message",
+    (
+        ("http://gitlab.my.company.org", "CLOUD", "Http scheme is not allowed in this environment. Please use `https` instead."),
+        ("https://gitlab.com/api/v4", "CLOUD", "Invalid API resource locator.")
+    )
+)
+def test_connection_fail_due_to_config_error(mocker, api_url, deployment_env, expected_message):
+    mocker.patch("os.environ", {"DEPLOYMENT_MODE": deployment_env})
+    source = SourceGitlab()
+    config = {
+        "start_date": "2021-01-01T00:00:00Z",
+        "api_url": api_url,
+        "credentials": {
+            "auth_type": "access_token",
+            "access_token": "token"
+        }
+    }
+    status, msg = source.check_connection(logging.getLogger(), config)
+    assert (status, msg) == (False, expected_message)
diff --git a/docs/integrations/sources/gitlab.md b/docs/integrations/sources/gitlab.md
index 4dc445b7054..99cbac18bd3 100644
--- a/docs/integrations/sources/gitlab.md
+++ b/docs/integrations/sources/gitlab.md
@@ -105,6 +105,7 @@ Gitlab has the [rate limits](https://docs.gitlab.com/ee/user/gitlab_com/index.ht
 
 | Version | Date       | Pull Request                                             | Subject                                                                                    |
 |:--------|:-----------|:---------------------------------------------------------|:-------------------------------------------------------------------------------------------|
+| 1.4.2   | 2023-06-15 | [27346](https://github.com/airbytehq/airbyte/pull/27346) | Partially revert changes made in version 1.0.4, disallow http calls in cloud.              |
 | 1.4.1   | 2023-06-13 | [27351](https://github.com/airbytehq/airbyte/pull/27351) | Fix OAuth token expiry date.                                                               |
 | 1.4.0   | 2023-06-12 | [27234](https://github.com/airbytehq/airbyte/pull/27234) | Skip stream slices on 403/404 errors, do not fail syncs.                                   |
 | 1.3.1   | 2023-06-08 | [27147](https://github.com/airbytehq/airbyte/pull/27147) | Improve connectivity check for connections with no projects/groups                         |