diff --git a/setup.py b/setup.py
index e72e4d36..3f86a8e7 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
         'datasets>=2.19.0',
         'accelerate>=0.20.1',
         'sentence_transformers',
-        'peft',
+        'peft==0.15.0',
         'ir-datasets',
         'sentencepiece',
         'protobuf'