diff --git a/.github/workflows/whisper-vulkan.yml b/.github/workflows/whisper-vulkan.yml
index e3bdf05..4e76d0c 100644
--- a/.github/workflows/whisper-vulkan.yml
+++ b/.github/workflows/whisper-vulkan.yml
@@ -1,15 +1,14 @@
 name: whisper.cpp Vulkan bundle
 
+# Only what the bundle is built from. Compiling the Vulkan shaders takes
+# tens of minutes, and a README typo is not worth one: what ties ggml.py to
+# this release is a handful of assertions in tests/test_packaging.py, and
+# those run on every pull request in milliseconds.
 on:
   pull_request:
     paths:
       - packaging/whisper-vulkan/**
       - .github/workflows/whisper-vulkan.yml
-      - dikte/ggml.py
-      - tests/test_ggml.py
-      - tests/test_packaging.py
-      - README.md
-      - README.tr.md
   workflow_dispatch:
     inputs:
       whisper_version:
diff --git a/tests/test_packaging.py b/tests/test_packaging.py
index f9addff..9bffa10 100644
--- a/tests/test_packaging.py
+++ b/tests/test_packaging.py
@@ -58,11 +58,18 @@ class WhisperVulkanPackaging(unittest.TestCase):
         publish_script = publish_script.split("        run: |", 1)[1]
         self.assertNotIn("${{ inputs.", publish_script)
 
-    def test_bundle_ci_runs_when_its_installer_or_contract_changes(self):
+    def test_bundle_ci_runs_only_for_what_the_bundle_is_built_from(self):
+        """A 45 minute build on a README typo is a tax on every other change.
+
+        What ties ggml.py to the release is checked in this file instead, and
+        this file runs on every pull request in milliseconds."""
         workflow = WORKFLOW.read_text(encoding="utf-8")
-        for path in ("dikte/ggml.py", "tests/test_packaging.py",
-                     "README.md", "README.tr.md"):
-            self.assertIn(f"- {path}", workflow)
+        trigger = workflow.split("workflow_dispatch:", 1)[0]
+        self.assertIn("- packaging/whisper-vulkan/**", trigger)
+        self.assertIn("- .github/workflows/whisper-vulkan.yml", trigger)
+        for path in ("dikte/ggml.py", "tests/test_ggml.py",
+                     "tests/test_packaging.py", "README.md", "README.tr.md"):
+            self.assertNotIn(f"- {path}", trigger)
 
     def test_the_validator_checks_tar_links_before_extraction(self):
         validator = (PACKAGING / "validate-package.sh").read_text(