diff --git a/resources/schema.json b/resources/schema.json
index 712f11b..0fe9d4e 100644
--- a/resources/schema.json
+++ b/resources/schema.json
@@ -59,7 +59,11 @@
                                 "dfu",
                                 "thread",
                                 "matter",
-                                "bt-mesh"
+                                "bt-mesh",
+                                "sidewalk",
+                                "lora-basics-modem",
+                                "CSS",
+                                "FSK"
                             ]
                         },
                         "description": "An array of tags describing the application."
diff --git a/site/src/schema.ts b/site/src/schema.ts
index e593d4e..11635de 100644
--- a/site/src/schema.ts
+++ b/site/src/schema.ts
@@ -41,6 +41,10 @@ export const validTags = [
     'thread',
     'matter',
     'bt-mesh',
+    'sidewalk',
+    'lora-basics-modem',
+    'CSS',
+    'FSK'
 ] as const;
 
 export const appKindSchema = {