diff --git a/platformio.ini b/platformio.ini
index d24bd9c..145297d 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -15,9 +15,9 @@ extra_configs = secrets.default.ini
 [env]
 framework = arduino
 lib_deps = 
-	bblanchon/ArduinoJson@^7.0.3
+	bblanchon/ArduinoJson@^7.0.4
 	;ihormelnyk/OpenTherm Library@^1.1.5
-	https://github.com/ihormelnyk/opentherm_library.git
+	https://github.com/Laxilef/opentherm_library/archive/refs/heads/fix_lambda.zip
 	arduino-libraries/ArduinoMqttClient@^0.1.8
 	lennarthennigs/ESP Telnet@^2.2
 	gyverlibs/FileData@^1.0.2
@@ -30,7 +30,7 @@ build_flags =
 	-D PIO_FRAMEWORK_ARDUINO_ESPRESSIF_SDK305
 	-mtext-section-literals
 	-D MQTT_CLIENT_STD_FUNCTION_CALLBACK=1
-	;-D DEBUG_ESP_CORE -D DEBUG_ESP_WIFI -D DEBUG_ESP_PORT=Serial
+	;-D DEBUG_ESP_CORE -D DEBUG_ESP_WIFI -D DEBUG_ESP_HTTP_SERVER -D DEBUG_ESP_PORT=Serial
 	-D USE_SERIAL=${secrets.use_serial}
 	-D USE_TELNET=${secrets.use_telnet}
 	-D DEBUG_BY_DEFAULT=${secrets.debug}
@@ -58,13 +58,12 @@ version = 1.4.0-rc.17
 platform = espressif8266
 lib_deps = 
 	${env.lib_deps}
-	nrwiersma/ESP8266Scheduler@^1.1
+	nrwiersma/ESP8266Scheduler@^1.2
 lib_ignore = 
 extra_scripts = 
 	post:tools/build.py
 build_flags = ${env.build_flags}
-board_build.ldscript = eagle.flash.1m256.ld
-;board_build.ldscript = eagle.flash.4m1m.ld
+board_build.ldscript = eagle.flash.4m1m.ld
 
 [esp32_defaults]
 platform = espressif32@^6.5