diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8d83ef3..763d3f4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -8,6 +8,9 @@ on:
 
 permissions: {}
 
+# Release paths never touch the Actions cache; enforced regardless of per-step settings.
+cache-mode: none
+
 jobs:
   test:
     permissions: