diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 8973473..551a3c3 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -52,6 +52,10 @@ jobs:
         uses: actions/setup-node@v5
         with:
           node-version: 24
+          # This job does not install dependencies. Disable setup-node's
+          # automatic package-manager cache, which otherwise probes pnpm
+          # before the publish job installs it.
+          package-manager-cache: false
 
       - name: Check if version should be published
         if: steps.revision.outputs.is_current == 'true'