diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index e7a0517d..55b8be73 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -39,7 +39,7 @@ jobs:
         with:
           python-version: '3.14'
       - name: Install pinned linters (keep in sync with pyproject [dev])
-        run: pip install ruff==0.17.0 black==26.10.1
+        run: pip install ruff==0.17.1 black==26.10.1
       - name: Ruff
         run: ruff check diff_diff tests
       - name: Black
diff --git a/pyproject.toml b/pyproject.toml
index 7bfb55f3..72f143ac 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,7 +66,7 @@ dev = [
     # NOTE: black/mypy require Python >= 3.10 (dev tooling only; the library
     # floor stays 3.9).
     "black==26.10.1",
-    "ruff==0.17.0",
+    "ruff==0.17.1",
     "mypy==2.4.0",
     "maturin>=1.4,<2.0",
     "matplotlib>=3.5",