diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c63bee1..694e0e0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,9 +11,4 @@ on:
 
 jobs:
   check:
-    uses: Emerging-Patterns/actions/.github/workflows/nix-flake-check.yml@5b0aa4f0eaee72662e06479ecebcfd15e9762fe7
-    with:
-      # the shared default still names macos-14, which GitHub retires on
-      # 2026-11-02 and fails in brownouts before then (no runner is assigned);
-      # macos-15 is arm64 too, so aarch64-darwin is still checked
-      runners: '["ubuntu-latest", "ubuntu-24.04-arm", "macos-15"]'
+    uses: Emerging-Patterns/actions/.github/workflows/nix-flake-check.yml@feaa011dafd85fecb67aa058fbcf6424cf605e86