diff --git a/docker/Dockerfile b/docker/Dockerfile
index d547105..bbc34e9 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,14 +1,13 @@
 FROM ubuntu:latest
 
 # Set the locale
-RUN locale-gen en_US.UTF-8
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
 
 # Combine all apt-get install commands or Docker will attempt to use cache
 RUN apt-get update && apt-get install -y \
         git \
-        python \
-        python-dev \
+        python3 \
+        python3-dev \
         vim
 
 ADD run_tests.sh /opt/