diff --git a/kubernetes/Dockerfile b/kubernetes/Dockerfile
index a6366d0..386f5e1 100644
--- a/kubernetes/Dockerfile
+++ b/kubernetes/Dockerfile
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: MIT
-FROM alpine:3.14.2
+FROM alpine:3.15.4
 
 LABEL description="Kosmoo"