diff --git a/src/platformio.ini b/src/platformio.ini
index 29fd8a01..90b823f5 100644
--- a/src/platformio.ini
+++ b/src/platformio.ini
@@ -32,8 +32,7 @@ lib_deps =
     bblanchon/ArduinoJson @ ^6.21.3
     https://github.com/JChristensen/Timezone @ ^1.2.4
     olikraus/U8g2 @ ^2.35.9
-    https://github.com/zinggjm/GxEPD2#1.5.3
-    olliiiver/SML Parser@^0.28
+    https://github.com/zinggjm/GxEPD2#1.5.3s
 build_flags =
     -std=c++17
     -std=gnu++17