diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8ba6c4a..ee09fd2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,7 +11,7 @@ on:
 
 jobs:
   lint:
-    runs-on: [self-hosted, Linux, Build]
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Set up Python 3.13
@@ -28,7 +28,7 @@ jobs:
         run: mypy bfxapi/
 
   test:
-    runs-on: [self-hosted, Linux, Build]
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Set up Python 3.13
diff --git a/.github/workflows/copilot-reviewer.yml b/.github/workflows/copilot-reviewer.yml
index 745d07b..04b8ffd 100644
--- a/.github/workflows/copilot-reviewer.yml
+++ b/.github/workflows/copilot-reviewer.yml
@@ -8,5 +8,5 @@ permissions:
 
 jobs:
   request:
-    uses: CloudIngenium/.github/.github/workflows/request-copilot-review.yml@main
+    uses: CloudIngenium/.github/.github/workflows/request-copilot-review.yml@24fac1de6a37800bae89a7b4f858742c7a455043
     secrets: inherit
diff --git a/.github/workflows/secret-scan.yml b/.github/workflows/secret-scan.yml
index 6570baa..0710a6e 100644
--- a/.github/workflows/secret-scan.yml
+++ b/.github/workflows/secret-scan.yml
@@ -29,7 +29,7 @@ concurrency:
 jobs:
   gitleaks:
     name: Secret Scan
-    runs-on: [self-hosted, Linux, Build]
+    runs-on: ubuntu-24.04
     timeout-minutes: 5
     permissions:
       contents: read
diff --git a/.github/workflows/socket-security.yml b/.github/workflows/socket-security.yml
index e396bd4..3469019 100644
--- a/.github/workflows/socket-security.yml
+++ b/.github/workflows/socket-security.yml
@@ -11,5 +11,5 @@ concurrency:
   cancel-in-progress: true
 jobs:
   socket:
-    uses: CloudIngenium/.github/.github/workflows/socket-security.yml@main
+    uses: CloudIngenium/.github/.github/workflows/socket-security.yml@24fac1de6a37800bae89a7b4f858742c7a455043
     secrets: inherit
diff --git a/bfxapi/rest/_interface/middleware.py b/bfxapi/rest/_interface/middleware.py
index 4d85f35..1d180b1 100644
--- a/bfxapi/rest/_interface/middleware.py
+++ b/bfxapi/rest/_interface/middleware.py
@@ -8,21 +8,6 @@
 from enum import IntEnum
 from typing import TYPE_CHECKING, Any, NoReturn
 
-_NONCE_LOCK = threading.Lock()
-_NONCE_LAST = 0
-
-
-def _next_nonce() -> str:
-    """Monotonic microsecond nonce. Guards against duplicates when two calls
-    hit the same microsecond tick under concurrent use (H8 fix)."""
-    global _NONCE_LAST
-    with _NONCE_LOCK:
-        candidate = time.time_ns() // 1_000
-        if candidate <= _NONCE_LAST:
-            candidate = _NONCE_LAST + 1
-        _NONCE_LAST = candidate
-    return str(candidate)
-
 import requests
 
 from bfxapi._utils.json_decoder import JSONDecoder
@@ -39,6 +24,21 @@ def _next_nonce() -> str:
 if TYPE_CHECKING:
     from requests.sessions import _Params
 
+_NONCE_LOCK = threading.Lock()
+_NONCE_LAST = 0
+
+
+def _next_nonce() -> str:
+    """Monotonic microsecond nonce. Guards against duplicates when two calls
+    hit the same microsecond tick under concurrent use (H8 fix)."""
+    global _NONCE_LAST
+    with _NONCE_LOCK:
+        candidate = time.time_ns() // 1_000
+        if candidate <= _NONCE_LAST:
+            candidate = _NONCE_LAST + 1
+        _NONCE_LAST = candidate
+    return str(candidate)
+
 
 @dataclass
 class RateLimitInfo:
diff --git a/bfxapi/websocket/_handlers/auth_events_handler.py b/bfxapi/websocket/_handlers/auth_events_handler.py
index 8bd3bc6..bb384c4 100644
--- a/bfxapi/websocket/_handlers/auth_events_handler.py
+++ b/bfxapi/websocket/_handlers/auth_events_handler.py
@@ -52,9 +52,7 @@ class AuthEventsHandler:
     }
 
     __SERIALIZERS: dict[str, _Serializer[Any]] = {
-        abbr: ser
-        for abbrs, ser in _GROUPED.items()
-        for abbr in abbrs
+        abbr: ser for abbrs, ser in _GROUPED.items() for abbr in abbrs
     }
 
     def __init__(self, event_emitter: EventEmitter) -> None:
@@ -79,12 +77,9 @@ def handle(self, abbrevation: str, stream: Any) -> None:
             if serializer is not None:
                 event = AuthEventsHandler.__ABBREVIATIONS[abbrevation]
 
-                if all(
-                    isinstance(sub_stream, list) for sub_stream in stream
-                ):
+                if all(isinstance(sub_stream, list) for sub_stream in stream):
                     data: Any = [
-                        serializer.parse(*sub_stream)
-                        for sub_stream in stream
+                        serializer.parse(*sub_stream) for sub_stream in stream
                     ]
                 else:
                     data = serializer.parse(*stream)