diff --git a/.env b/.env
index 643aa20fb..9124a47aa 100644
--- a/.env
+++ b/.env
@@ -1,7 +1,7 @@
 SORMAS_POSTGRES_PASSWORD=password
 SORMAS_POSTGRES_USER=sormas_user
 
-SORMAS_DOCKER_VERSION=2.52.0-rc1
+SORMAS_DOCKER_VERSION=2.52.0-rc2
 SORMAS_VERSION=1.91.0
 # only needed for CI build systems
 SORMAS_DEMIS_VERSION=1.37.0
diff --git a/pg_dump/Dockerfile b/pg_dump/Dockerfile
index e59efe9bc..ed1ab8272 100644
--- a/pg_dump/Dockerfile
+++ b/pg_dump/Dockerfile
@@ -1,8 +1,8 @@
-FROM alpine:3.8
+FROM alpine:3.17
 
 RUN apk update --no-cache && \
     apk upgrade --no-cache && \
-    apk add --no-cache --upgrade postgresql-client tar dcron tzdata zstd
+    apk add --no-cache --upgrade postgresql14-client tar dcron tzdata zstd
 
 COPY pg_dump /root
 COPY entrypoint.sh /entrypoint.sh