diff --git a/contrib/alertmanager-armhf/0.15.0/Makefile b/contrib/alertmanager-armhf/0.15.0/Makefile
new file mode 100644
index 00000000..6d4773d2
--- /dev/null
+++ b/contrib/alertmanager-armhf/0.15.0/Makefile
@@ -0,0 +1,3 @@
+build:
+	docker build -t alexellis2/alertmanager:v0.15.0-armv7 .
+
diff --git a/contrib/alertmanager-armhf/0.15.0/README.md b/contrib/alertmanager-armhf/0.15.0/README.md
deleted file mode 100644
index 4fa2f044..00000000
--- a/contrib/alertmanager-armhf/0.15.0/README.md
+++ /dev/null
@@ -1,5 +0,0 @@
-Building:
-
-```
-docker build -t functions/alertmanager:0.15.0-rc.0-armhf .
-```