diff --git a/juju-charms/Makefile b/juju-charms/Makefile
index 65c3b0e..690904e 100644
--- a/juju-charms/Makefile
+++ b/juju-charms/Makefile
@@ -17,7 +17,7 @@
 
 BUILD_DIR = .
 
-CHARMS:= pingpong vyos-proxy netutils
+CHARMS:= pingpong vyos-proxy netutils simple
 CHARM_SRC_DIR := layers
 CHARM_BUILD_DIR := $(BUILD_DIR)/builds