diff --git a/Dockerfile.gitlab-qa b/Dockerfile.gitlab-qa
index f068f82..a359702 100644
--- a/Dockerfile.gitlab-qa
+++ b/Dockerfile.gitlab-qa
@@ -1,5 +1,9 @@
 FROM ruby:2.4
 
+
+# Enable support for UTF encoded stdin/stdout
+ENV LANG C.UTF-8
+
 WORKDIR /home/qa
 
 RUN wget -q https://download.docker.com/linux/static/stable/x86_64/docker-19.03.1.tgz && \