diff --git a/Dockerfile b/Dockerfile
index 9a8a730ca6a38234bbe501b02e9a020ba7da78f7..762affea4a8d4dece10d5ec520c6cc7c1d1e1ed9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,7 @@
 # hadolint ignore=DL3006
 FROM registry.hub.docker.com/library/centos:7
+ENV LC_ALL en_US.UTF-8
+ENV LANG en_US.UTF-8
 # hadolint ignore=DL3013,DL3033
 RUN yum group install -y "Development tools" && \
     yum install -y \