diff --git a/example-library/config.yaml b/example-library/config.yaml
index 8a38030..ede2779 100644
--- a/example-library/config.yaml
+++ b/example-library/config.yaml
@@ -1,5 +1,6 @@
 name: Example library
 version: 0.1
+minUmbraVersion: 0.1.0
 id: example-library
 type: library
 description: Test library addon
diff --git a/example-theme/config.yaml b/example-theme/config.yaml
index 8ed248a..662b93d 100644
--- a/example-theme/config.yaml
+++ b/example-theme/config.yaml
@@ -1,5 +1,6 @@
 name: Example theme
 version: 0.1
+minUmbraVersion: 0.1.0
 id: example-theme
 type: theme
 description: Test theme addon