diff --git a/server/Makefile b/server/Makefile
index b757e884d..0d9973901 100644
--- a/server/Makefile
+++ b/server/Makefile
@@ -20,7 +20,7 @@ install: gen-server
 	pip install pip --upgrade
 	pip install torch==2.2.0
 	pip install -r requirements.txt
-	pip install -e ".[bnb, accelerate, quantize, peft]"
+	pip install -e ".[bnb, accelerate, quantize, peft, outlines]"
 
 run-dev:
 	# SAFETENSORS_FAST_GPU=1 python -m torch.distributed.run --nproc_per_node=1 lorax_server/cli.py serve gpt2