diff --git a/Dockerfile b/Dockerfile
index 2b0d5a06af..a87da9659d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ARG KUBERNETES_VERSION=dev
 
 # Build environment
-FROM rancher/hardened-build-base:v1.22.5b1 AS build
+FROM rancher/hardened-build-base:v1.22.6b1 AS build
 ARG DAPPER_HOST_ARCH
 ENV ARCH $DAPPER_HOST_ARCH
 RUN set -x && \