diff --git a/examples/package.lock b/examples/package.lock
index 4bbf8ac..3508294 100644
--- a/examples/package.lock
+++ b/examples/package.lock
@@ -5,6 +5,7 @@ packages:
   ..:
     path: ..
     prefixes:
+      artemis: toit-artemis
       certificate_roots: toit-cert-roots
       mqtt: mqtt
   mqtt:
@@ -12,6 +13,11 @@ packages:
     name: mqtt
     version: 2.7.0
     hash: ae42b7f4949ec65512e845e7bef7e90a33a914d9
+  toit-artemis:
+    url: github.com/toitware/toit-artemis
+    name: artemis
+    version: 0.8.3
+    hash: c65898c512ec79173b523add1c8d13ec203b6e7e
   toit-cert-roots:
     url: github.com/toitware/toit-cert-roots
     name: certificate_roots
diff --git a/package.lock b/package.lock
index 502771c..0b6a89e 100644
--- a/package.lock
+++ b/package.lock
@@ -1,5 +1,6 @@
 sdk: ^2.0.0-alpha.100
 prefixes:
+  artemis: toit-artemis
   certificate_roots: toit-cert-roots
   mqtt: mqtt
 packages:
@@ -8,6 +9,11 @@ packages:
     name: mqtt
     version: 2.7.0
     hash: ae42b7f4949ec65512e845e7bef7e90a33a914d9
+  toit-artemis:
+    url: github.com/toitware/toit-artemis
+    name: artemis
+    version: 0.8.3
+    hash: c65898c512ec79173b523add1c8d13ec203b6e7e
   toit-cert-roots:
     url: github.com/toitware/toit-cert-roots
     name: certificate_roots
diff --git a/package.yaml b/package.yaml
index 717bf48..784957e 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,6 +1,9 @@
 name: qubitro
 description: Qubitro connector for the ESP32.
 dependencies:
+  artemis:
+    url: github.com/toitware/toit-artemis
+    version: ^0.8.3
   certificate_roots:
     url: github.com/toitware/toit-cert-roots
     version: ^1.6.1
diff --git a/src/service.toit b/src/service.toit
index 882489b..adf92be 100644
--- a/src/service.toit
+++ b/src/service.toit
@@ -9,6 +9,7 @@ import net
 import encoding.json
 import encoding.tison
 
+import artemis
 import certificate-roots
 import mqtt
 import mqtt.packets as mqtt
@@ -28,7 +29,8 @@ CONFIG-DEVICE-TOKEN ::= "qubitro.device.token"
 main:
   logger ::= log.Logger log.DEBUG-LEVEL log.DefaultTarget --name="qubitro"
   logger.info "service starting"
-  defines := assets.decode.get "jag.defines"
+  defines-key := artemis.available ? "artemis.defines" : "jag.defines"
+  defines := assets.decode.get defines-key
       --if-present=: tison.decode it
       --if-absent=: {:}
   service := QubitroServiceProvider logger defines