diff --git a/.drone.yml b/.drone.yml
index 038195e..ed03207 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -12,6 +12,12 @@ steps:
       - yamllint -c /yamllint/relaxed.yaml .
     when:
       event: pull_request
+  - name: lint json
+    image: registry.fedy95.com/baseimage-jsonlint:latest
+    commands:
+      - find . -name "*.json" | xargs -n 1 jsonlint -qc
+    when:
+      event: pull_request
 
 ...
 ---
diff --git a/Makefile b/Makefile
index 022a412..1be3925 100644
--- a/Makefile
+++ b/Makefile
@@ -2,14 +2,27 @@ MAKEFLAGS += --silent
 
 REGISTRY=registry.fedy95.com
 YAMLLINT_TAG=baseimage-yamllint:latest
+JSONLINT_TAG=baseimage-jsonlint:latest
 
 .PHONY: *
 
-lint: lint-yaml
+lint: lint-yaml lint-json
 
 lint-yaml:
 	docker pull "${REGISTRY}"/"${YAMLLINT_TAG}"
-	docker run --rm -v $(PWD):/data "${REGISTRY}"/"${YAMLLINT_TAG}" .
+	docker run --rm -it -v $(PWD):/data "${REGISTRY}"/"${YAMLLINT_TAG}" .
+
+lint-json:
+	docker pull "${REGISTRY}"/"${JSONLINT_TAG}"
+	docker run --rm -it -v $(PWD):/data "${REGISTRY}"/"${JSONLINT_TAG}" -qc grafana/provisioning/dashboards/i-o-statistics.json
+	docker run --rm -it -v $(PWD):/data "${REGISTRY}"/"${JSONLINT_TAG}" -qc grafana/provisioning/dashboards/monitor_services.json
+	docker run --rm -it -v $(PWD):/data "${REGISTRY}"/"${JSONLINT_TAG}" -qc grafana/provisioning/dashboards/nexus_host.json
+	docker run --rm -it -v $(PWD):/data "${REGISTRY}"/"${JSONLINT_TAG}" -qc grafana/provisioning/dashboards/nginx_container.json
+	docker run --rm -it -v $(PWD):/data "${REGISTRY}"/"${JSONLINT_TAG}" -qc grafana/provisioning/dashboards/node-exporter.json
+	docker run --rm -it -v $(PWD):/data "${REGISTRY}"/"${JSONLINT_TAG}" -qc grafana/provisioning/dashboards/smart-1.json
+	docker run --rm -it -v $(PWD):/data "${REGISTRY}"/"${JSONLINT_TAG}" -qc grafana/provisioning/dashboards/smart-2.json
+	docker run --rm -it -v $(PWD):/data "${REGISTRY}"/"${JSONLINT_TAG}" -qc grafana/provisioning/dashboards/smart-3.json
+	docker run --rm -it -v $(PWD):/data "${REGISTRY}"/"${JSONLINT_TAG}" -qc grafana/provisioning/dashboards/smart-4.json
 
 restart:
 	docker-compose -f docker-compose.yml down