diff --git a/Makefile b/Makefile
index abab90e..9f0d92b 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,7 @@
 
 # NOTE: pyang and pyangbind are required for build
 
-.PHONY: all clean package trees deps yang-ietf
+.PHONY: all clean package trees deps yang-ietf openapi_schemas yang2swagger
 PYANG:= pyang
 PYBINDPLUGIN:=$(shell /usr/bin/env python3 -c \
 	            'import pyangbind; import os; print("{}/plugin".format(os.path.dirname(pyangbind.__file__)))')
@@ -28,6 +28,7 @@
 YANG_DESC_JSTREES := $(addsuffix .html, $(YANG_DESC_MODELS))
 YANG_RECORD_TREES := $(addsuffix .rec.tree.txt, $(YANG_RECORD_MODELS))
 YANG_RECORD_JSTREES := $(addsuffix .rec.html, $(YANG_RECORD_MODELS))
+OPENAPI_SCHEMAS := osm.yaml
 
 OUT_DIR := osm_im
 TREES_DIR := osm_im_trees
@@ -36,11 +37,13 @@
 
 PYANG_OPTIONS := -Werror
 
-all: $(PYTHON_MODELS) trees
+all: $(PYTHON_MODELS) trees openapi_schemas
 	$(MAKE) package
 
 trees: $(YANG_DESC_TREES) $(YANG_DESC_JSTREES) $(YANG_RECORD_TREES) $(YANG_RECORD_JSTREES)
 
+openapi_schemas: $(OPENAPI_SCHEMAS)
+
 $(OUT_DIR):
 	$(Q)mkdir -p $(OUT_DIR)
 	$(Q)touch $(OUT_DIR)/__init__.py
@@ -74,10 +77,20 @@
 	$(Q)sed -r -i 's|<a href=\"http://www.tail-f.com">|<a href="http://osm.etsi.org">|g' $(TREES_DIR)/$@
 	$(Q)mv $(TREES_DIR)/$@ $(TREES_DIR)/$*.html
 
+osm.yaml: $(OUT_DIR) yang-ietf yang2swagger
+	$(Q)echo generating $@
+	$(Q)java -jar ${HOME}/.m2/repository/com/mrv/yangtools/swagger-generator-cli/*-SNAPSHOT/swagger-generator-cli-*-SNAPSHOT-executable.jar -yang-dir $(MODEL_DIR) -output $(OUT_DIR)/$@
+
 yang-ietf:
 	$(Q)wget -q https://raw.githubusercontent.com/YangModels/yang/master/standard/ietf/RFC/ietf-yang-types%402013-07-15.yang -O models/yang/ietf-yang-types.yang
 	$(Q)wget -q https://raw.githubusercontent.com/YangModels/yang/master/standard/ietf/RFC/ietf-inet-types%402013-07-15.yang -O models/yang/ietf-inet-types.yang
 
+yang2swagger:
+	$(Q)mkdir -p ${HOME}/.m2
+	$(Q)wget -q -O ${HOME}/.m2/settings.xml https://raw.githubusercontent.com/opendaylight/odlparent/master/settings.xml
+	git clone https://github.com/bartoszm/yang2swagger.git
+	mvn -f yang2swagger/pom.xml clean install
+
 package:
 	tox -e build
 	tox -e build3
@@ -93,4 +106,4 @@
 	$(Q)cp -n ~/.m2/settings.xml{,.orig} ; wget -q -O - https://raw.githubusercontent.com/opendaylight/odlparent/master/settings.xml > ~/.m2/settings.xml
 
 clean:
-	$(Q)rm -rf dist osm_im.egg-info deb deb_dist *.gz $(OUT_DIR) $(TREES_DIR)
+	$(Q)rm -rf dist osm_im.egg-info deb deb_dist *.gz yang2swagger $(OUT_DIR) $(TREES_DIR)