diff --git a/kubernetes/monitoring/test/ab/Dockerfile b/kubernetes/monitoring/test/ab/Dockerfile
index 19e1b7c54..37ecc64b2 100644
--- a/kubernetes/monitoring/test/ab/Dockerfile
+++ b/kubernetes/monitoring/test/ab/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.18
+FROM alpine:3
 ARG BUILD_DATE
 ARG VCS_REF