diff --git a/library.json b/library.json
index 9cdfe616e..65e2af90c 100644
--- a/library.json
+++ b/library.json
@@ -14,8 +14,8 @@
     "email": "guislice@impulseadventure.com",
     "maintainer": true
   },
-  "frameworks": "*",
-  "platforms": "*",
+  "frameworks": "arduino",
+  "platforms": "atmelavr, atmelsam, espressif8266, espressif32, ststm32",
   "license": "MIT",
   "examples": [
     "arduino/gslc_ex*_ard/*.ino",
diff --git a/library.properties b/library.properties
index 78b55c586..8771d00c7 100755
--- a/library.properties
+++ b/library.properties
@@ -6,5 +6,5 @@ sentence=GUIslice embedded touchscreen GUI library in C for Arduino & Raspberry
 paragraph=Supports Adafruit-GFX and TFT_eSPI graphics drivers on Arduino, ESP8266 / NodeMCU, ESP32, Feather M0, nRF52, STM32, M5Stack
 category=Display
 url=https://github.com/ImpulseAdventure/GUIslice
-architectures=*
+architectures=avr,esp8266,esp32,stm32,samd
 includes=GUIslice.h,GUIslice_ex.h,GUIslice_drv.h