diff --git a/3.8/alpine/Dockerfile b/3.8/alpine/Dockerfile
index 7d47ae4..0f4baf3 100644
--- a/3.8/alpine/Dockerfile
+++ b/3.8/alpine/Dockerfile
@@ -5,7 +5,7 @@
 #
 
 # Alpine Linux is not officially supported by the RabbitMQ team -- use at your own risk!
-FROM alpine:3.14
+FROM alpine:3.15
 
 RUN apk add --no-cache \
 # grab su-exec for easy step-down from root
diff --git a/3.9/alpine/Dockerfile b/3.9/alpine/Dockerfile
index 0b8cf81..a05368e 100644
--- a/3.9/alpine/Dockerfile
+++ b/3.9/alpine/Dockerfile
@@ -5,7 +5,7 @@
 #
 
 # Alpine Linux is not officially supported by the RabbitMQ team -- use at your own risk!
-FROM alpine:3.14
+FROM alpine:3.15
 
 RUN apk add --no-cache \
 # grab su-exec for easy step-down from root
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index a961bb8..e0d670a 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -1,5 +1,5 @@
 # Alpine Linux is not officially supported by the RabbitMQ team -- use at your own risk!
-FROM alpine:3.14
+FROM alpine:3.15
 
 RUN apk add --no-cache \
 # grab su-exec for easy step-down from root