diff --git a/library.json b/library.json
index d3f17a7..cfa8069 100644
--- a/library.json
+++ b/library.json
@@ -12,11 +12,17 @@
     "type": "git",
     "url": "http://git.xpablo.cz/pablo2048/Trace.git"
   },
-  "version": "0.0.3",
+  "version": "0.0.4",
   "license": "MIT",
   "frameworks": "arduino",
   "platforms": ["espressif8266","espressif32"],
+  "dependencies": [
+    {
+      "name": "ESP Async WebServer",
+      "platforms": ["espressif8266", "espressif32"]
+    }
+  ],
   "build": {
-    "libCompatMode": 2
+    "libCompatMode": "strict"
   }
 }
diff --git a/library.properties b/library.properties
index 4760bc4..fde368b 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Trace
-version=0.0.3
+version=0.0.4
 author=Pavel Brychta
 maintainer=Pavel Brychta
 sentence=Trace application internals & messages via web server