diff --git a/requirements.txt b/requirements.txt
index 709aeb1..b0cf41a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,6 +17,9 @@ torch
 torchvision
 numpy
 
+# For examples/bert.py
+transformers
+
 # Testing
 # For torchvision, use pillow<7 to avoid `ImportError: cannot import name 'PILLOW_VERSION' from 'PIL'`
 # See https://github.com/pytorch/vision/issues/1712