diff --git a/Jenkinsfile b/Jenkinsfile
index d39c81752..e1b363f6e 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -28,6 +28,7 @@ pipeline {
                 GOCACHE = "${WORKSPACE}/.cache/go-build"
                 GOENV = "${WORKSPACE}/.config/go/env"
                 GOMOD="/dev/null"
+                GOFLAGS="-mod=readonly"
 
             }
             steps {
diff --git a/Makefile b/Makefile
index 706477c42..c06fa26b2 100644
--- a/Makefile
+++ b/Makefile
@@ -50,7 +50,7 @@ ios:
 	@echo "Import \"$(GOBIN)/Geth.framework\" to use the library."
 
 test: all
-	$(GORUN) build/ci.go test
+	$(GORUN) build/ci.go test -v
 
 lint: ## Run linters.
 	$(GORUN) build/ci.go lint