diff --git a/apps.toml b/apps.toml
index ce164c4f..a9f3215e 100644
--- a/apps.toml
+++ b/apps.toml
@@ -1,3 +1,5 @@
+#:schema https://github.com/YunoHost/apps/raw/master/schemas/apps.toml.schema.json
+
 [13ft]
 category = "reading"
 level = 7
diff --git a/categories.toml b/categories.toml
index de1779de..07977128 100644
--- a/categories.toml
+++ b/categories.toml
@@ -1,3 +1,5 @@
+#:schema https://raw.githubusercontent.com/YunoHost/apps/master/schemas/categories.toml.schema.json
+
 [synchronization]
 icon = "cloud"
 title.en = "Synchronization"
diff --git a/wishlist.toml b/wishlist.toml
index 3419420b..510bf894 100644
--- a/wishlist.toml
+++ b/wishlist.toml
@@ -1,3 +1,5 @@
+#:schema https://github.com/YunoHost/apps/raw/master/schemas/wishlist.toml.schema.json
+
 [access-to-memory-atom]
 name = "Access to Memory (AtoM)"
 description = "Standards-based archival description and access in a multilingual, multi-repository environment."