diff --git a/docs/Makefile b/docs/Makefile
index e6118afe4c56ccaa0c30f8d14f84218605857e52..3dfdf85d46949236d6a6fcd33a897ee201828804 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -53,6 +53,7 @@ help:
 .PHONY: generate
 generate:
 	sphinx-apidoc -M -f -o _build/ ../mhcflurry
+	mhcflurry-downloads fetch models_class1 cross_validation_class1
 	python generate.py \
 	    --out-models-cv-rst _build/_models_cv.rst \
 	    --out-models-architecture-png _build/_models_architecture.png \