diff --git a/CMakeLists.txt b/CMakeLists.txt
index ab58eb3..654468e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,5 +13,6 @@ set(COMPONENT_REQUIRES
 
 register_component()
 
+if (IDF_VER STRGREATER_EQUAL "v4.0")
 target_compile_options(${COMPONENT_LIB} PRIVATE -Wno-expansion-to-defined)
-
+endif()
diff --git a/library.json b/library.json
index bedac3c..810d1a7 100644
--- a/library.json
+++ b/library.json
@@ -13,7 +13,7 @@
         "url": "https://github.com/manuelbl/ttn-esp32.git",
         "branch": "dev"
     },
-    "version": "2.3.2",
+    "version": "3.0.99",
     "license": "MIT License",
     "export": {
         "include": [