diff --git a/Dockerfile b/Dockerfile
index 3e40fbc..cf4c596 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,9 @@
-FROM alpine:3
+FROM alpine:edge
 
 WORKDIR /root
 
 RUN apk update && \
-    apk add bash curl pigz postgresql14-client postgresql15-client postgresql16-client rclone
+    apk add bash curl pigz postgresql15-client postgresql16-client postgresql17-client rclone
 
 COPY docker-entrypoint.sh /usr/local/bin/
 RUN chmod +x /usr/local/bin/docker-entrypoint.sh
diff --git a/README.md b/README.md
index 9f821df..afc3c2f 100644
--- a/README.md
+++ b/README.md
@@ -20,40 +20,46 @@
 | POSTGRES_PASSWORD      |    ✔     |               | Postgres server password                                                                                                      |
 | POSTGRES_PORT          |          | 5432          | Postgres server port                                                                                                          |
 | POSTGRES_USER          |          | postgres      | Postgres server user                                                                                                          |
-| POSTGRES_VERSION       |          | 16            | Postgres server version (14, 15 or 16)                                                                                        |
+| POSTGRES_VERSION       |          | 17            | Postgres server version (15, 16 or 17)                                                                                        |
 | WEBGAZER_HEARTBEAT_URL |          |               | [WebGazer Heartbeat Monitor](https://www.webgazer.io/services/cron-job-monitoring) URL                                        |
 
 ### Running
 
-    $ docker run th0th/postgres-s3-backup \
-        -e AWS_ACCESS_KEY_ID=<aws_access_key_id> \
-        -e AWS_REGION=<aws_region> \
-        -e AWS_S3_ENDPOINT=<aws_s3_endpoint> \
-        -e AWS_S3_STORAGE_CLASS=<aws_s3_storage_class[STANDARD_IA]> \
-        -e AWS_SECRET_ACCESS_KEY=<aws_secret_access_key> \
-        -e POSTGRES_DB=<database> \
-        -e POSTGRES_HOST=<postgres_hostname[postgres]> \
-        -e POSTGRES_PASSWORD=<postgres_password> \
-        -e POSTGRES_PORT=<postgres_port[5432]> \
-        -e POSTGRES_USER=<postgres_user[postgres]> \
-        -e POSTGRES_VERSION=<postgres_version[15]> \
-        -e WEBGAZER_HEARTBEAT_URL=<webgazer_heartbeat_url>
+```shell
+$ docker run \
+  -e AWS_ACCESS_KEY_ID=<aws_access_key_id> \
+  -e AWS_REGION=<aws_region> \
+  -e AWS_S3_ENDPOINT=<aws_s3_endpoint> \
+  -e AWS_S3_STORAGE_CLASS=<aws_s3_storage_class[STANDARD_IA]> \
+  -e AWS_SECRET_ACCESS_KEY=<aws_secret_access_key> \
+  -e POSTGRES_DB=<database> \
+  -e POSTGRES_HOST=<postgres_hostname[postgres]> \
+  -e POSTGRES_PASSWORD=<postgres_password> \
+  -e POSTGRES_PORT=<postgres_port[5432]> \
+  -e POSTGRES_USER=<postgres_user[postgres]> \
+  -e POSTGRES_VERSION=<postgres_version[17]> \
+  -e WEBGAZER_HEARTBEAT_URL=<webgazer_heartbeat_url> \
+  th0th/postgres-s3-backup
+```
 
 ### Example
 
-    $ docker run th0th/postgres-s3-backup \
-        -e AWS_ACCESS_KEY_ID=g9XqNnqKmUk6xqwkStkN \
-        -e AWS_REGION=eu-west-1 \
-        -e AWS_S3_ENDPOINT=my-bucket/postgres-backup \
-        -e AWS_S3_STORAGE_CLASS=GLACIER \
-        -e AWS_SECRET_ACCESS_KEY=GLBZ8mQf27UL57YHbkLhXWtfJWVwtUBbQup6mFzw \
-        -e POSTGRES_DB=database \
-        -e POSTGRES_HOST=postgres \
-        -e POSTGRES_PASSWORD=postgres_password \
-        -e POSTGRES_PORT=5432 \
-        -e POSTGRES_USER=postgres_user \
-        -e POSTGRES_VERSION=15 \
-        -e WEBGAZER_HEARTBEAT_URL=https://heartbeat.webgazer.io/1-8f713c75d659
+```shell
+$ docker run \
+  -e AWS_ACCESS_KEY_ID=g9XqNnqKmUk6xqwkStkN \
+  -e AWS_REGION=eu-west-1 \
+  -e AWS_S3_ENDPOINT=my-bucket/postgres-backup \
+  -e AWS_S3_STORAGE_CLASS=GLACIER \
+  -e AWS_SECRET_ACCESS_KEY=GLBZ8mQf27UL57YHbkLhXWtfJWVwtUBbQup6mFzw \
+  -e POSTGRES_DB=database \
+  -e POSTGRES_HOST=postgres \
+  -e POSTGRES_PASSWORD=postgres_password \
+  -e POSTGRES_PORT=5432 \
+  -e POSTGRES_USER=postgres_user \
+  -e POSTGRES_VERSION=17 \
+  -e WEBGAZER_HEARTBEAT_URL=https://heartbeat.webgazer.io/1-8f713c75d659 \
+  th0th/postgres-s3-backup
+```
 
 ## Shameless plug
 
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 0622113..0a5c803 100644
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -1,5 +1,4 @@
 #!/bin/bash
-
 set -eo pipefail
 
 SECONDS=0
@@ -17,10 +16,10 @@ AWS_S3_STORAGE_CLASS="${AWS_S3_STORAGE_CLASS:-STANDARD_IA}"
 POSTGRES_HOST="${POSTGRES_HOST:-postgres}"
 POSTGRES_PORT="${POSTGRES_PORT:-5432}"
 POSTGRES_USER="${POSTGRES_USER:-postgres}"
-POSTGRES_VERSION="${POSTGRES_VERSION:-16}"
+POSTGRES_VERSION="${POSTGRES_VERSION:-17}"
 
 # validate environment variables
-POSTGRES_VERSIONS=(14 15 16)
+POSTGRES_VERSIONS=(15 16 17)
 
 if [[ ! " ${POSTGRES_VERSIONS[*]} " =~ " ${POSTGRES_VERSION} " ]]; then
   echo "error: POSTGRES_VERSION can be one of these: ${POSTGRES_VERSIONS[*]}"
@@ -32,12 +31,12 @@ BACKUP_FILE_NAME=$(date +"${POSTGRES_DB}-%F_%T.gz")
 
 echo "Dumping the database..."
 PGPASSWORD="${POSTGRES_PASSWORD}" "/usr/libexec/postgresql${POSTGRES_VERSION}/pg_dump" \
-    --host="${POSTGRES_HOST}" \
-    --port="${POSTGRES_PORT}" \
-    --username="${POSTGRES_USER}" \
-    --dbname="${POSTGRES_DB}" \
-    --format=c \
-    | pigz --fast > "${BACKUP_FILE_NAME}"
+  --host="${POSTGRES_HOST}" \
+  --port="${POSTGRES_PORT}" \
+  --username="${POSTGRES_USER}" \
+  --dbname="${POSTGRES_DB}" \
+  --format=c \
+  | pigz --fast > "${BACKUP_FILE_NAME}"
 echo "Dumping the database... Done."
 
 echo "Uploading to S3..."