diff --git a/contrib/container/Dockerfile b/contrib/container/Dockerfile
index 475b6f7604..ff8d4b3229 100644
--- a/contrib/container/Dockerfile
+++ b/contrib/container/Dockerfile
@@ -9,7 +9,7 @@
 # - Runs InvenTree web server under django development server
 # - Monitors source files for any changes, and live-reloads server
 
-ARG base_image=python:3.11-alpine3.18
+ARG base_image=python:3.11-alpine3.21
 FROM ${base_image} AS inventree_base
 ARG base_image
 
@@ -69,8 +69,8 @@ RUN apk add --no-cache \
     libjpeg libwebp zlib \
     # Weasyprint requirements : https://doc.courtbouillon.org/weasyprint/stable/first_steps.html#alpine-3-12
     py3-pip py3-pillow py3-cffi py3-brotli pango poppler-utils openldap \
-    # Postgres client
-    postgresql13-client \
+    # Postgres client (note: backwards compatible with postgres server <= 17)
+    postgresql17-client \
     # MySQL / MariaDB client
     mariadb-client mariadb-connector-c \
     && \
diff --git a/contrib/container/install_build_packages.sh b/contrib/container/install_build_packages.sh
index bbeae43a54..bef3702226 100644
--- a/contrib/container/install_build_packages.sh
+++ b/contrib/container/install_build_packages.sh
@@ -8,5 +8,5 @@ apk add gcc g++ musl-dev openssl-dev libffi-dev cargo python3-dev openldap-dev \
     jpeg-dev openjpeg-dev libwebp-dev zlib-dev \
     sqlite sqlite-dev \
     mariadb-connector-c-dev mariadb-client mariadb-dev \
-    postgresql13-dev postgresql-libs \
+    postgresql17-dev postgresql-libs \
     $@