diff --git a/.github/workflows/reusable-e2e.yaml b/.github/workflows/reusable-e2e.yaml
index 0627db8412..efe1af9067 100644
--- a/.github/workflows/reusable-e2e.yaml
+++ b/.github/workflows/reusable-e2e.yaml
@@ -45,6 +45,8 @@ jobs:
         go-version-file: "go.mod"
 
     - uses: ko-build/setup-ko@d006021bd0c28d1ce33a07e7943d48b079944c8d # v0.9
+      with:
+        version: v0.18.1
 
     - name: Install mirror, kind, knative + sigstore
       uses: sigstore/scaffolding/actions/setup@8bd68672d418e5bd1b0ee1f2e2981874c3a30967  # v0.7.33