diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 6b9742392bb..c6914b2705d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -486,7 +486,7 @@ jobs:
       - name: Install ruff
         uses: astral-sh/ruff-action@4919ec5cf1f49eff0871dbcea0da843445b837e6 # v3.6.1
         with:
-          version: "0.14.11"
+          version: "0.15.4"
           args: "--version"
 
       - run: ruff check --diff
diff --git a/.github/workflows/pr-auto-commit.yaml b/.github/workflows/pr-auto-commit.yaml
index e27cfe2ce16..b7a3efbab93 100644
--- a/.github/workflows/pr-auto-commit.yaml
+++ b/.github/workflows/pr-auto-commit.yaml
@@ -52,7 +52,7 @@ jobs:
       - name: Install ruff
         uses: astral-sh/ruff-action@4919ec5cf1f49eff0871dbcea0da843445b837e6 # v3.6.1
         with:
-          version: "0.14.11"
+          version: "0.15.4"
           args: "--version"
 
       - name: Run ruff format
diff --git a/extra_tests/snippets/builtin_filter.py b/extra_tests/snippets/builtin_filter.py
index 25c00803c41..f778fd0cfe9 100644
--- a/extra_tests/snippets/builtin_filter.py
+++ b/extra_tests/snippets/builtin_filter.py
@@ -1,4 +1,4 @@
-assert list(filter(lambda x: ((x % 2) == 0), [0, 1, 2])) == [0, 2]
+assert list(filter(lambda x: (x % 2) == 0, [0, 1, 2])) == [0, 2]
 
 # None implies identity
 assert list(filter(None, [0, 1, 2])) == [1, 2]
@@ -18,7 +18,7 @@ def __iter__(self):
         return self
 
 
-it = filter(lambda x: ((x % 2) == 0), Counter())
+it = filter(lambda x: (x % 2) == 0, Counter())
 assert next(it) == 2
 assert next(it) == 4
 
diff --git a/extra_tests/snippets/stdlib_io.py b/extra_tests/snippets/stdlib_io.py
index f1e682b5d24..25985e08968 100644
--- a/extra_tests/snippets/stdlib_io.py
+++ b/extra_tests/snippets/stdlib_io.py
@@ -41,6 +41,7 @@
     nres = fio.read(2)
     assert len(nres) == 2
 
+
 # Test that IOBase.isatty() raises ValueError when called on a closed file.
 # Minimal subclass that inherits IOBase.isatty() without overriding it.
 class MinimalRaw(RawIOBase):