diff --git a/ruff.toml b/ruff.toml
index a9c2b4b01..e696c3627 100644
--- a/ruff.toml
+++ b/ruff.toml
@@ -35,20 +35,21 @@ target-version = "py312"
 # Keeping this explicit makes ruff deterministic.
 select = ["E4", "E7", "E9", "F"]
 extend-select = [
-    "E1",    # pycodestyle errors: indentation-related (e.g., unexpected/missing indent)
-    "E2",    # pycodestyle errors: whitespace-related (e.g., missing whitespace, extra spaces)
-    "E3",    # pycodestyle errors: blank lines / spacing around definitions
-    "E501",  # pycodestyle: line too long (enforced with `line-length` above)
-    "W",     # pycodestyle warnings (various style warnings, often whitespace/newlines)
-    "I",     # import sorting (isort-equivalent)
-    "RET",   # return semantics (flake8-return family: consistent/explicit returns; remove redundant else/assign before return)
-    "UP",    # pyupgrade: modernize syntax for your target Python (e.g., f-strings, built-in generics, newer stdlib idioms)
+    "E1",        # pycodestyle errors: indentation-related (e.g., unexpected/missing indent)
+    "E2",        # pycodestyle errors: whitespace-related (e.g., missing whitespace, extra spaces)
+    "E3",        # pycodestyle errors: blank lines / spacing around definitions
+    "E501",      # pycodestyle: line too long (enforced with `line-length` above)
+    "W",         # pycodestyle warnings (various style warnings, often whitespace/newlines)
+    "I",         # import sorting (isort-equivalent)
+    "RET",       # return semantics (flake8-return family: consistent/explicit returns; remove redundant else/assign before return)
+    "UP",        # pyupgrade: modernize syntax for your target Python (e.g., f-strings, built-in generics, newer stdlib idioms)
+    "RUF022",    # ruff: enforce sorted `__all__` lists
 ]
 ignore = [
-    "F403",  # pyflakes: `from ... import *` used; unable to detect undefined names
-    "F405",  # pyflakes: name may be undefined or defined from star imports
-    "RET504",  # return: unnecessary assignment before `return` (e.g., `x = expr; return x` -> `return expr`)
-    "UP032", # pyupgrade: prefer f-strings over `str.format(...)`
+    "F403",      # pyflakes: `from ... import *` used; unable to detect undefined names
+    "F405",      # pyflakes: name may be undefined or defined from star imports
+    "RET504",    # return: unnecessary assignment before `return` (e.g., `x = expr; return x` -> `return expr`)
+    "UP032",     # pyupgrade: prefer f-strings over `str.format(...)`
 ]
 preview = true