diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 94a6ce5db..7fb467740 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,10 @@ on:
 
 # We share Vuforia credentials and therefore Vuforia databases across
 # workflows. We therefore want to run only one workflow at a time.
-concurrency: vuforia_credentials
+# Queue pending runs so updates to other PRs do not cancel their tests.
+concurrency:
+  group: vuforia_credentials
+  queue: max
 
 permissions: {}
 
diff --git a/prek.toml b/prek.toml
index 61c1559cf..bdebd1ea5 100644
--- a/prek.toml
+++ b/prek.toml
@@ -117,7 +117,9 @@ hooks = [
   {
     id = "actionlint",
     name = "actionlint",
-    entry = "uv run --group=dev actionlint",
+    # actionlint does not yet recognize GitHub's concurrency.queue key.
+    # Remove this exact diagnostic filter when rhysd/actionlint#657 is fixed.
+    entry = "uv run --group=dev actionlint -ignore 'unexpected key \"queue\" for \"concurrency\" section'",
     language = "python",
     pass_filenames = false,
     types_or = ["yaml"],