diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 07281de43f..3f8c3d3a1a 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -44,6 +44,7 @@ jobs:
               - "!crates/ruff_shrinking/**"
               - scripts/*
               - .github/workflows/ci.yaml
+              - python/**
 
             formatter:
               - Cargo.toml
@@ -58,6 +59,7 @@ jobs:
               - crates/ruff_python_parser/**
               - crates/ruff_dev/**
               - scripts/*
+              - python/**
               - .github/workflows/ci.yaml
 
   cargo-fmt:
diff --git a/python/ruff-ecosystem/ruff_ecosystem/projects.py b/python/ruff-ecosystem/ruff_ecosystem/projects.py
index d4764c34bf..d4fb64e804 100644
--- a/python/ruff-ecosystem/ruff_ecosystem/projects.py
+++ b/python/ruff-ecosystem/ruff_ecosystem/projects.py
@@ -71,7 +71,12 @@ class CheckOptions(CommandOptions):
     max_lines_per_rule: int | None = 50
 
     def to_ruff_args(self) -> list[str]:
-        args = ["check", "--no-cache", "--exit-zero"]
+        args = [
+            "check",
+            "--no-cache",
+            "--exit-zero",
+            f"--{'' if self.preview else 'no-'}preview",
+        ]
         if self.select:
             args.extend(["--select", self.select])
         if self.ignore:
@@ -80,8 +85,6 @@ class CheckOptions(CommandOptions):
             args.extend(["--exclude", self.exclude])
         if self.show_fixes:
             args.extend(["--show-fixes", "--ecosystem-ci"])
-        if self.preview:
-            args.append("--preview")
         return args
 
 
@@ -95,11 +98,9 @@ class FormatOptions(CommandOptions):
     exclude: str = ""
 
     def to_ruff_args(self) -> list[str]:
-        args = ["format"]
+        args = ["format", f"--{'' if self.preview else 'no-'}preview"]
         if self.exclude:
             args.extend(["--exclude", self.exclude])
-        if self.preview:
-            args.append("--preview")
         return args
 
     def to_black_args(self) -> list[str]: