diff --git a/Dockerfile b/Dockerfile
index 7e95719..e2eb63a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,13 +1,13 @@
-FROM ruby:2.6-stretch
+FROM ruby:2.6
 WORKDIR /app
 ENV PORT=80
 ARG RAILS_ENV
 
 RUN apt-get update && \
-    apt-get install --no-install-recommends -y git curl libpq-dev libjemalloc1 && \
+    apt-get install --no-install-recommends -y git curl libpq-dev libjemalloc2 && \
     apt-get clean && rm -rf /var/lib/apt/lists/*
 
-ENV LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.1
+ENV LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.2
 
 ADD ./Gemfile /app/
 ADD ./Gemfile.lock /app/