diff --git a/.ko.yaml b/.ko.yaml
new file mode 100644
index 000000000..d1cfe450b
--- /dev/null
+++ b/.ko.yaml
@@ -0,0 +1,4 @@
+---
+# The default base image, cgr.dev/chainguard/static, no longer provides all the platforms the Chains
+# controller claims support for.
+defaultBaseImage: ghcr.io/wolfi-dev/static:alpine