diff --git a/Dockerfile b/Dockerfile
index 415f484eccfc01b5e530b5d35f2052c1dc3640df..5af3aee5a4a6b209b66d9b155a7129f0aa4bdb11 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # https://hub.docker.com/_/alpine?tab=tags
-FROM alpine:3.14
+FROM alpine:3.15
 
 LABEL name="Stackspin management"
 LABEL version="4.5"