diff --git a/Makefile b/Makefile
index 908cba2ed8..14eeaf8974 100644
--- a/Makefile
+++ b/Makefile
@@ -166,7 +166,7 @@ slow_tests_fsdp: test_installs
 
 slow_tests_trl: test_installs
 	python -m pip install trl==0.9.6
-	python -m pip install peft==0.12.0
+	python -m pip install peft==0.15.0
 	python -m pytest tests/test_trl.py -v -s -k "test_calculate_loss"
 
 slow_tests_object_segmentation: test_installs
diff --git a/examples/trl/requirements.txt b/examples/trl/requirements.txt
index 3a9be36241..502a2d99a8 100644
--- a/examples/trl/requirements.txt
+++ b/examples/trl/requirements.txt
@@ -1,5 +1,5 @@
 trl == 0.9.6
-peft == 0.12.0
+peft == 0.15.0
 datasets == 2.19.2
 tyro
 evaluate