diff --git a/dev-support/docker/Dockerfile b/dev-support/docker/Dockerfile
index 1d5062f3a4..c746a95837 100644
--- a/dev-support/docker/Dockerfile
+++ b/dev-support/docker/Dockerfile
@@ -85,6 +85,10 @@ RUN apt-get -q update \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
+RUN locale-gen en_US.UTF-8
+ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
+ENV PYTHONIOENCODING=utf-8
+
 ######
 # Set env vars required to build Hadoop
 ######
diff --git a/dev-support/docker/Dockerfile_aarch64 b/dev-support/docker/Dockerfile_aarch64
index 62540fb921..f8f3cd3595 100644
--- a/dev-support/docker/Dockerfile_aarch64
+++ b/dev-support/docker/Dockerfile_aarch64
@@ -85,6 +85,10 @@ RUN apt-get -q update \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
+RUN locale-gen en_US.UTF-8
+ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
+ENV PYTHONIOENCODING=utf-8
+
 ######
 # Set env vars required to build Hadoop
 ######