diff --git a/pyproject.toml b/pyproject.toml
index 797362dea5..e2bfb3e2a5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -118,8 +118,8 @@ check = [
 
 	# local
 
-	# Removal of deprecated UP027, PT004 & PT005 astral-sh/ruff#14383
-	"ruff >= 0.8.0; sys_platform != 'cygwin'",
+	# Deprecated rules must now be selected by exact rule code
+	"ruff >= 0.13.0; sys_platform != 'cygwin'",
 ]
 
 cover = [
@@ -139,7 +139,7 @@ type = [
 	# pin mypy version so a new version doesn't suddenly cause the CI to fail,
 	# until types-setuptools is removed from typeshed.
 	# For help with static-typing issues, or mypy update, ping @Avasam
-	"mypy==1.14.*",
+	"mypy==1.18.*",
 	# Typing fixes in version newer than we require at runtime
 	"importlib_metadata>=7.0.2; python_version < '3.10'",
 	# Imported unconditionally in tools/finalize.py
diff --git a/ruff.toml b/ruff.toml
index 20c06adaec..567074d50a 100644
--- a/ruff.toml
+++ b/ruff.toml
@@ -65,7 +65,6 @@ ignore = [
 	"TRY003", # raise-vanilla-args, avoid multitude of exception classes
 	"TRY301", # raise-within-try, it's handy
 	"UP015", # redundant-open-modes, explicit is preferred
-	"UP038", # Using `X | Y` in `isinstance` call is slower and more verbose https://github.com/astral-sh/ruff/issues/7871
 	# Only enforcing return type annotations for public functions
 	"ANN202", # missing-return-type-private-function
 ]
@@ -73,6 +72,7 @@ ignore = [
 [lint.per-file-ignores]
 # Suppress nuisance warnings about module-import-not-at-top-of-file (E402) due to workaround for #4476
 "setuptools/__init__.py" = ["E402"]
+# pkg_resources is due for removal, not worth fixing existing errors
 "pkg_resources/__init__.py" = ["E402", "ANN204"]
 "pkg_resources/tests/test_resources.py" = ["PT031"]