diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 58a805704..78d664af4 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.9.1
+    rev: v0.11.10
     hooks:
       - id: ruff
         args:
diff --git a/supervisor/coresys.py b/supervisor/coresys.py
index d523bab9d..41bdfdc26 100644
--- a/supervisor/coresys.py
+++ b/supervisor/coresys.py
@@ -167,7 +167,7 @@ class CoreSys:
     @property
     def dev(self) -> bool:
         """Return True if we run dev mode."""
-        return bool(os.environ.get(ENV_SUPERVISOR_DEV, 0))
+        return bool(os.environ.get(ENV_SUPERVISOR_DEV) == "1")
 
     @property
     def timezone(self) -> str:
diff --git a/supervisor/docker/manager.py b/supervisor/docker/manager.py
index cea569508..6d40e7c25 100644
--- a/supervisor/docker/manager.py
+++ b/supervisor/docker/manager.py
@@ -83,7 +83,7 @@ class DockerInfo:
         """Return true, if CONFIG_RT_GROUP_SCHED is loaded."""
         if not Path("/sys/fs/cgroup/cpu/cpu.rt_runtime_us").exists():
             return False
-        return bool(os.environ.get(ENV_SUPERVISOR_CPU_RT, 0))
+        return bool(os.environ.get(ENV_SUPERVISOR_CPU_RT) == "1")
 
 
 class DockerConfig(FileConfiguration):
@@ -202,7 +202,7 @@ class DockerAPI:
         if "labels" not in kwargs:
             kwargs["labels"] = {}
         elif isinstance(kwargs["labels"], list):
-            kwargs["labels"] = {label: "" for label in kwargs["labels"]}
+            kwargs["labels"] = dict.fromkeys(kwargs["labels"], "")
 
         kwargs["labels"][LABEL_MANAGED] = ""
 
diff --git a/tests/misc/test_filter_data.py b/tests/misc/test_filter_data.py
index c51438524..f668419c8 100644
--- a/tests/misc/test_filter_data.py
+++ b/tests/misc/test_filter_data.py
@@ -103,7 +103,7 @@ def test_not_supported(coresys):
 def test_is_dev(coresys):
     """Test if dev."""
     coresys.config.diagnostics = True
-    with patch("os.environ", return_value=[("ENV_SUPERVISOR_DEV", "1")]):
+    with patch.dict(os.environ, {"SUPERVISOR_DEV": "1"}):
         assert filter_data(coresys, SAMPLE_EVENT, {}) is None