diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -15,6 +15,7 @@
 test: $(patsubst %,test/%,$(PYMODULES))
 
 docs: $(patsubst %,docs/%,$(filter-out $(DOC_MODULE),$(PYMODULES)))
+docs-assets: $(patsubst %,docs-assets/%,$(filter-out $(DOC_MODULE),$(PYMODULES)))
 docs-apidoc: $(patsubst %,docs-apidoc/%,$(filter-out $(DOC_MODULE),$(PYMODULES)))
 docs-clean: $(patsubst %,docs-clean/%,$(filter-out $(DOC_MODULE),$(PYMODULES)))
 
@@ -27,6 +28,8 @@
 
 docs/%:
 	make -C $*/docs
+docs-assets/%:
+	make -C $*/docs assets
 docs-apidoc/%:
 	make -C $*/docs apidoc
 docs-clean/%: