diff --git a/platformio.ini b/platformio.ini
index 6e2227fd7..379d59f14 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -45,7 +45,7 @@ lib_deps =
     https://github.com/arkhipenko/TaskScheduler#testing
     https://github.com/arkhipenko/TaskScheduler#testing
     https://github.com/coryjfowler/MCP_CAN_lib
-    plerup/EspSoftwareSerial@^8.0.1
+    plerup/EspSoftwareSerial @ 8.0.1
     mobizt/FirebaseJson @ ^3.0.6
 	rweather/Crypto@^0.4.0