diff --git a/elixir-ubuntu-18-04/Dockerfile b/elixir-ubuntu-18-04/Dockerfile
index 11e8a69..a1ecf6e 100644
--- a/elixir-ubuntu-18-04/Dockerfile
+++ b/elixir-ubuntu-18-04/Dockerfile
@@ -1,5 +1,6 @@
 FROM ubuntu:18.04
 MAINTAINER Fröjd
+LABEL org.opencontainers.image.source https://github.com/frojd/dockerimages
 
 ARG DEBIAN_FRONTEND=noninteractive
 
diff --git a/elixir-ubuntu-20-04/Dockerfile b/elixir-ubuntu-20-04/Dockerfile
index 7a84bd1..5bd52f4 100644
--- a/elixir-ubuntu-20-04/Dockerfile
+++ b/elixir-ubuntu-20-04/Dockerfile
@@ -1,5 +1,6 @@
 FROM ubuntu:20.04
 MAINTAINER Fröjd
+LABEL org.opencontainers.image.source https://github.com/frojd/dockerimages
 
 ARG DEBIAN_FRONTEND=noninteractive
 
diff --git a/elixir-ubuntu-22-04/Dockerfile b/elixir-ubuntu-22-04/Dockerfile
index 659356e..a873c57 100644
--- a/elixir-ubuntu-22-04/Dockerfile
+++ b/elixir-ubuntu-22-04/Dockerfile
@@ -1,5 +1,6 @@
 FROM ubuntu:22.04
 MAINTAINER Fröjd
+LABEL org.opencontainers.image.source https://github.com/frojd/dockerimages
 
 ARG DEBIAN_FRONTEND=noninteractive