diff --git a/variants/heltec_ct62/platformio.ini b/variants/heltec_ct62/platformio.ini
index 1f2e330a..649e6e04 100644
--- a/variants/heltec_ct62/platformio.ini
+++ b/variants/heltec_ct62/platformio.ini
@@ -119,6 +119,7 @@ build_flags =
   -D MAX_GROUP_CHANNELS=40
   -D OFFLINE_QUEUE_SIZE=256
   -D BLE_PIN_CODE=123456
+  -D BLE_USE_NIMBLE=1
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1
 build_src_filter = ${Heltec_ct62.build_src_filter}
@@ -127,6 +128,7 @@ build_src_filter = ${Heltec_ct62.build_src_filter}
 lib_deps =
   ${Heltec_ct62.lib_deps}
   ${esp32_ota.lib_deps}
+  h2zero/NimBLE-Arduino
   densaugeo/base64 @ ~1.4.0
 
 [env:Heltec_ct62_sensor]