diff --git a/Dockerfile b/Dockerfile
index fcc30f4..f47a42c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,10 +8,9 @@ RUN apt-get update \
 && apt-get install -y --no-install-recommends \
  ca-certificates gnupg lsb-release locales \
  wget curl \
- git-core unzip unrar \
+ git-core unzip unrar postgresql-common \
 && locale-gen $LANG && update-locale LANG=$LANG \
-&& sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list' \
-&& wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add - \
+&& sudo /usr/share/postgresql-common/pgdg/apt.postgresql.org.sh \
 && apt-get update && apt-get -y upgrade\
 && apt-get clean \
 && rm -rf /var/lib/apt/lists/*
@@ -48,7 +47,7 @@ ENV AUTOVACUUM=on
 ENV UPDATES=enabled
 ENV REPLICATION_URL=https://planet.openstreetmap.org/replication/hour/
 ENV MAX_INTERVAL_SECONDS=3600
-ENV PG_VERSION 18
+ENV PG_VERSION 17
 
 RUN ln -snf "/usr/share/zoneinfo/$TZ" /etc/localtime && echo "$TZ" > /etc/timezone