diff --git a/services/core/tests/official_admin_management.py b/services/core/tests/official_admin_management.py
index 549cf929..2b4201e4 100644
--- a/services/core/tests/official_admin_management.py
+++ b/services/core/tests/official_admin_management.py
@@ -18,7 +18,7 @@
 import uuid
 import zipfile
 
-import httpx
+import httpx2
 import openai
 from openai import DefaultHttpxClient, OpenAI
 
@@ -62,7 +62,7 @@ def main():
         secret_values.append(settings["model_provider"]["api_key"])
     owned, keys, clients, projects, revoked = set(), [], [], [], set()
     session_id = None
-    with httpx.Client(trust_env=False, timeout=30) as http:
+    with httpx2.Client(trust_env=False, timeout=30) as http:
         def request(method, path, expected=200, token=None, headers=None, **kwargs):
             response = http.request(method, base + path, headers={
                 **(admin if token is None else {"Authorization": "Bearer " + token, "OpenAI-Beta": "agents=v1"}),
@@ -370,7 +370,7 @@ def wait_idle(client, sid, wanted_turns):
                             state = http.get(session_path, headers=admin).json()["status"]
                         if state == "in_progress":
                             failures.append("session_stop")
-                except (httpx.HTTPError, KeyError, ValueError, RuntimeError):
+                except (httpx2.HTTPError, KeyError, ValueError, RuntimeError):
                     failures.append("session_stop")
             # Sessions must finish before deletion; never remove another run's assets.
             priority = {kind: index for index, kind in enumerate(("session", "agent", "environment_template", "skill", "vault", "file"))}
@@ -379,7 +379,7 @@ def wait_idle(client, sid, wanted_turns):
                     response = http.delete(base + f"/core/v1/projects/{project_id}/{ADMIN_PATHS[kind]}/{resource}", headers=admin)
                     if response.status_code not in (200, 204, 404):
                         failures.append(kind)
-                except httpx.HTTPError:
+                except httpx2.HTTPError:
                     failures.append(kind)
             for project in projects:
                 if project["archived_at"] is None:
diff --git a/services/core/tests/official_skill_selectors.py b/services/core/tests/official_skill_selectors.py
index 85f0615b..45bed828 100644
--- a/services/core/tests/official_skill_selectors.py
+++ b/services/core/tests/official_skill_selectors.py
@@ -7,7 +7,7 @@
 import secrets
 import sys
 
-import httpx
+import httpx2
 import openai
 from openai import DefaultHttpxClient, OpenAI
 
@@ -46,7 +46,7 @@ def projection(response, selector, status):
         assert parsed.skills[0].skill_id == skill_id
         return parsed.id
 
-    with httpx.Client(timeout=20, trust_env=False) as http:
+    with httpx2.Client(timeout=20, trust_env=False) as http:
         try:
             uploaded = client.skills.with_raw_response.create(files=[("proof/SKILL.md", manifest, "text/markdown")])
             skill_id = uploaded.parse().id
diff --git a/services/core/tests/official_skills.py b/services/core/tests/official_skills.py
index 4cfe91c9..bac0e0b0 100644
--- a/services/core/tests/official_skills.py
+++ b/services/core/tests/official_skills.py
@@ -9,7 +9,7 @@
 import sys
 import zipfile
 
-import httpx
+import httpx2
 import openai
 from openai import DefaultHttpxClient, OpenAI
 
@@ -34,7 +34,7 @@ def main():
     marker = "confidential-skill-" + secrets.token_hex(20)
     data, manifest = bundle(marker)
     owned = []
-    with httpx.Client(timeout=20, trust_env=False) as http:
+    with httpx2.Client(timeout=20, trust_env=False) as http:
         try:
             raw = client.skills.with_raw_response.create(files=[("proof/SKILL.md", manifest, "text/markdown"), ("proof/scripts/proof.py", b"print('proof')", "text/plain")])
             skill = raw.parse()