diff --git a/pdns/Dockerfile.alpine b/pdns/Dockerfile.alpine
index bad9ccb..c843cb3 100644
--- a/pdns/Dockerfile.alpine
+++ b/pdns/Dockerfile.alpine
@@ -1,4 +1,4 @@
-FROM alpine:3.14.2
+FROM alpine:3.15.0
 
 RUN apk add --no-cache \
     mariadb-client \