diff --git a/docker/Dockerfile.flux b/docker/Dockerfile.flux
index 15a7deb6a..c1a728daa 100644
--- a/docker/Dockerfile.flux
+++ b/docker/Dockerfile.flux
@@ -1,4 +1,4 @@
-FROM alpine:3.12
+FROM alpine:3.14.1
 
 WORKDIR /home/flux
 
diff --git a/docker/Dockerfile.fluxctl b/docker/Dockerfile.fluxctl
index 6b3d278be..1e0031dec 100644
--- a/docker/Dockerfile.fluxctl
+++ b/docker/Dockerfile.fluxctl
@@ -1,4 +1,4 @@
-FROM alpine:3.11
+FROM alpine:3.14.1
 
 WORKDIR /home/flux