diff --git a/internal/mock/Makefile b/internal/mock/Makefile
index 31671197b..21aebf4e9 100644
--- a/internal/mock/Makefile
+++ b/internal/mock/Makefile
@@ -3,15 +3,15 @@ DOCKER_IMAGE := prom/alertmanager
 DOCKER_ARGS  := --name $(DOCKER_NAME) --rm -d -p 9093:9093 -v $(CURDIR)/alertmanager.yml:/etc/alertmanager/config.yml
 
 # list of Alertmanager versions to generate mock files for
-VERSIONS := 0.4.0 0.4.1 0.4.2 0.5.0 0.5.1 0.6.0 0.6.2 0.7.0 0.7.1 0.8.0 0.9.0 0.9.1 0.10.0 0.11.0 0.12.0 0.13.0 0.14.0
+VERSIONS := 0.4.0 0.4.1 0.4.2 0.5.0 0.5.1 0.6.0 0.6.2 0.7.0 0.7.1 0.8.0 0.9.0 0.9.1 0.10.0 0.11.0 0.12.0 0.13.0 0.14.0 0.15.0 0.15.1
 
 %/.ok: livemock.py
 	$(eval VERSION := $(word 1, $(subst /, ,$@)))
 	@echo "Generating mock files for Alertmanager $(VERSION)"
-	@docker pull $(DOCKER_IMAGE):v$(VERSION) > /dev/null
+	docker pull $(DOCKER_IMAGE):v$(VERSION)
 	@docker rm -f $(DOCKER_NAME) > /dev/null 2>&1 || true
 	@echo "Starting Alertmanager"
-	@docker run $(DOCKER_ARGS) $(DOCKER_IMAGE):v$(VERSION)
+	docker run $(DOCKER_ARGS) $(DOCKER_IMAGE):v$(VERSION)
 	@sleep 15
 	@echo "Sending mock alerts and silences"
 	@python livemock.py