diff --git a/teng/sketch.yaml b/teng/sketch.yaml
index 081062c..8ab53f9 100644
--- a/teng/sketch.yaml
+++ b/teng/sketch.yaml
@@ -4,3 +4,4 @@ profiles:
     platforms:
       - platform: arduino:mbed_nano (4.0.2)
     libraries:
+      - ArduinoBLE (1.3.4)