diff --git a/docker/diffusers-pytorch-cpu/Dockerfile b/docker/diffusers-pytorch-cpu/Dockerfile
index 127c61a719..19ddc2ec5f 100644
--- a/docker/diffusers-pytorch-cpu/Dockerfile
+++ b/docker/diffusers-pytorch-cpu/Dockerfile
@@ -40,6 +40,7 @@ RUN python3 -m pip install --no-cache-dir --upgrade pip && \
         numpy \
         scipy \
         tensorboard \
-        transformers
+        transformers \
+        peft
 
 CMD ["/bin/bash"]