diff --git a/platformio.ini b/platformio.ini
index 1936f61..376a8ca 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -17,7 +17,7 @@ lib_deps =
 	https://github.com/Laxilef/opentherm_library/archive/refs/heads/dev.zip
 	knolleary/PubSubClient@^2.8
 	;lennarthennigs/ESP Telnet@^2.1.2
-	https://github.com/Laxilef/ESPTelnet/archive/refs/heads/master.zip
+	https://github.com/Laxilef/ESPTelnet/archive/refs/heads/rc.zip
 	gyverlibs/EEManager@^2.0
 	;gyverlibs/GyverPID@^3.3
 	https://github.com/Laxilef/GyverPID/archive/refs/heads/feat_change_dt_type.zip