diff --git a/.github/workflows/validate.yaml b/.github/workflows/validate.yaml
index 12fa648..20dc752 100644
--- a/.github/workflows/validate.yaml
+++ b/.github/workflows/validate.yaml
@@ -43,18 +43,14 @@ jobs:
         with:
           args: format --diff
           src: "."
+          version-file: "requirements.txt"
 
       - name: Run ruff check
         uses: astral-sh/ruff-action@0ce1b0bf8b818ef400413f810f8a11cdbda0034b # v4.0.0
         with:
-          args: check --exit-zero # succeed despite errors until https://github.com/custom-components/zaptec/issues/258 is done
-          src: "."
-
-      - name: Run strict ruff check (except api.py)
-        uses: astral-sh/ruff-action@v3
-        with:
-          args: check --exclude custom_components/zaptec/zaptec/api.py
+          args: check
           src: "."
+          version-file: "requirements.txt"
 
   manifest-requirements:
     name: Manifest requirements validation
diff --git a/custom_components/zaptec/zaptec/api.py b/custom_components/zaptec/zaptec/api.py
index 87f35ce..8386b84 100644
--- a/custom_components/zaptec/zaptec/api.py
+++ b/custom_components/zaptec/zaptec/api.py
@@ -964,7 +964,8 @@ def _parse_retry_after(value: str | None) -> float | None:
         """Parse a Retry-After header value into seconds.
 
         Only the integer delta-seconds form is supported; the HTTP-date form
-        returns None so the caller falls back to the exponential backoff."""
+        returns None so the caller falls back to the exponential backoff.
+        """
         if not value:
             return None
         try:
diff --git a/requirements.txt b/requirements.txt
index 77daaf0..1adb323 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 colorlog==6.10.1
 homeassistant==2026.4.3
 pip>=25.0
-ruff==0.15.9
+ruff==0.15.22
 
 # Copy from manifest.json to get this into the dev container
 # without needing to start HA