diff --git a/Dockerfile b/Dockerfile
index 80757de..57d296f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,14 +18,14 @@ FROM ${BUILDER_IMAGE} AS builder
 
 # install build dependencies
 RUN apt-get update -y && apt-get install -y build-essential git \
-    && apt-get clean && rm -f /var/lib/apt/lists/*_*
+  && apt-get clean && rm -f /var/lib/apt/lists/*_*
 
 # prepare build dir
 WORKDIR /app
 
 # install hex + rebar
 RUN mix local.hex --force && \
-    mix local.rebar --force
+  mix local.rebar --force
 
 # set build ENV
 ENV MIX_ENV="prod"
@@ -64,7 +64,7 @@ RUN mix release
 FROM ${RUNNER_IMAGE}
 
 RUN apt-get update -y && \
-  apt-get install -y libstdc++6 openssl libncurses5 locales ca-certificates \
+  apt-get install -y libstdc++6 openssl libncurses6 locales ca-certificates \
   && apt-get clean && rm -f /var/lib/apt/lists/*_*
 
 # Set the locale