diff --git a/requirements/_requirements.txt b/requirements/_requirements.txt
index 869172df64..3f9b132dc4 100644
--- a/requirements/_requirements.txt
+++ b/requirements/_requirements.txt
@@ -37,3 +37,4 @@ pytest>=8.0.0,<9.0.0  # this is not a joke, sam2 requires this as the fork we ar
 tokenizers>=0.19.0,<=0.20.3
 slack-sdk~=3.33.4
 twilio~=9.3.7
+httpx~=0.25.1  # must be pinned as bc in 0.28.0 is causing Antropics to fail
\ No newline at end of file
diff --git a/requirements/requirements.test.unit.txt b/requirements/requirements.test.unit.txt
index a403444b26..aaf0585aa8 100644
--- a/requirements/requirements.test.unit.txt
+++ b/requirements/requirements.test.unit.txt
@@ -7,7 +7,7 @@ requests-mock==1.11.0
 rich
 pytest-asyncio<=0.21.1
 pytest-timeout>=2.2.0
-httpx
+httpx~=0.25.1
 uvicorn<=0.22.0
 aioresponses>=0.7.6
 supervision>=0.21.0,<=0.22.0
\ No newline at end of file
diff --git a/tests/inference/hosted_platform_tests/test_workflows.py b/tests/inference/hosted_platform_tests/test_workflows.py
index c20a31d01b..15e36dd481 100644
--- a/tests/inference/hosted_platform_tests/test_workflows.py
+++ b/tests/inference/hosted_platform_tests/test_workflows.py
@@ -129,7 +129,7 @@ def test_get_versions_of_execution_engine(object_detection_service_url: str) ->
     # then
     response.raise_for_status()
     response_data = response.json()
-    assert response_data["versions"] == ["1.3.0"]
+    assert response_data["versions"] == ["1.4.0"]
 
 
 FUNCTION = """
@@ -455,32 +455,6 @@ def test_simple_workflow_run_when_parameter_is_missing(
     assert response.status_code == 422
 
 
-@pytest.mark.flaky(retries=4, delay=1)
-def test_simple_workflow_run_when_api_key_is_missing(
-    object_detection_service_url: str, detection_model_id: str
-) -> None:
-    # when
-    response = requests.post(
-        f"{object_detection_service_url}/workflows/run",
-        json={
-            "specification": SIMPLE_WORKFLOW_DEFINITION,
-            "inputs": {
-                "image": [
-                    {
-                        "type": "url",
-                        "value": "https://media.roboflow.com/fruit.png",
-                    }
-                ]
-                * 2,
-                "model_id": detection_model_id,
-            },
-        },
-    )
-
-    # then
-    assert response.status_code == 422
-
-
 @pytest.mark.flaky(retries=4, delay=1)
 def test_simple_workflow_run_when_api_key_is_invalid(
     object_detection_service_url: str, detection_model_id: str