diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 8cf3967a7..40534de17 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -43,7 +43,7 @@ repos:
           - '<!--|  ~|  -->'
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.4.10
+    rev: v0.5.0
     hooks:
     - id: ruff
       name: Run Ruff linter
diff --git a/anta/runner.py b/anta/runner.py
index 75391da8d..898296372 100644
--- a/anta/runner.py
+++ b/anta/runner.py
@@ -50,7 +50,7 @@ def adjust_rlimit_nofile() -> tuple[int, int]:
 
     limits = resource.getrlimit(resource.RLIMIT_NOFILE)
     logger.debug("Initial limit numbers for open file descriptors for the current ANTA process: Soft Limit: %s | Hard Limit: %s", limits[0], limits[1])
-    nofile = nofile if limits[1] > nofile else limits[1]
+    nofile = min(limits[1], nofile)
     logger.debug("Setting soft limit for open file descriptors for the current ANTA process to %s", nofile)
     resource.setrlimit(resource.RLIMIT_NOFILE, (nofile, limits[1]))
     return resource.getrlimit(resource.RLIMIT_NOFILE)
diff --git a/asynceapi/config_session.py b/asynceapi/config_session.py
index 4054f14bf..558b7fed4 100644
--- a/asynceapi/config_session.py
+++ b/asynceapi/config_session.py
@@ -278,7 +278,7 @@ async def load_file(self, filename: str, *, replace: bool = False) -> None:
 
         commands.append(f"copy {filename} session-config")
         res: list[dict[str, Any]] = await self._cli(commands=commands)  # type: ignore[assignment] # JSON outformat of multiple commands returns list[dict[str, Any]]
-        checks_re = re.compile(r"error|abort|invalid", flags=re.I)
+        checks_re = re.compile(r"error|abort|invalid", flags=re.IGNORECASE)
         messages = res[-1]["messages"]
 
         if any(map(checks_re.search, messages)):
diff --git a/pyproject.toml b/pyproject.toml
index b5fed0df0..71dbdc657 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,7 +71,7 @@ dev = [
   "pytest-html>=3.2.0",
   "pytest-metadata>=3.0.0",
   "pytest>=7.4.0",
-  "ruff>=0.3.7,<0.5.0",
+  "ruff>=0.5.0,<0.6.0",
   "tox>=4.10.0,<5.0.0",
   "types-PyYAML",
   "types-pyOpenSSL",