diff --git a/Dockerfile b/Dockerfile
index dfabfeb..bfd1551 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,17 +14,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-FROM postgres:16.8-bookworm
+FROM postgres:16.9-bookworm
 
 # Do not split the description, otherwise we will see a blank space in the labels
 LABEL name="PostgreSQL Container Images" \
       vendor="The CloudNativePG Contributors" \
       version="${PG_VERSION}" \
-      release="3" \
+      release="2" \
       summary="PostgreSQL Container images." \
-      description="This Docker image contains PostgreSQL and Barman Cloud based on Postgres 16.8-bookworm."
+      description="This Docker image contains PostgreSQL and Barman Cloud based on Postgres 16.9-bookworm."
 
-LABEL org.opencontainers.image.description="This Docker image contains PostgreSQL and Barman Cloud based on Postgres 16.8-bookworm."
+LABEL org.opencontainers.image.description="This Docker image contains PostgreSQL and Barman Cloud based on Postgres 16.9-bookworm."
 
 COPY requirements.txt /
 
@@ -34,6 +34,11 @@ ENV LANG de_DE.utf8
 # Install additional extensions
 RUN set -xe; \
 	apt-get update; \
+	if apt list --upgradable 2>/dev/null | grep -q '^postgres'; then \
+		echo "ERROR: Upgradable postgres packages found!"; \
+		apt list --upgradable 2>/dev/null | grep '^postgres'; \
+		exit 1; \
+	fi; \
 	apt-get install -y --no-install-recommends \
 		"postgresql-${PG_MAJOR}-pgaudit" \
 		"postgresql-${PG_MAJOR}-pgvector" \
@@ -46,6 +51,8 @@ RUN set -xe; \
 RUN set -xe; \
 	apt-get update; \
 	apt-get install -y --no-install-recommends \
+		# We require build-essential and python3-dev to build lz4 on arm64 since there isn't a pre-compiled wheel available
+		build-essential python3-dev \
 		python3-pip \
 		python3-psycopg2 \
 		python3-setuptools \
@@ -53,6 +60,7 @@ RUN set -xe; \
 	pip3 install --break-system-packages --upgrade pip; \
 	# TODO: Remove --no-deps once https://github.com/pypa/pip/issues/9644 is solved
 	pip3 install --break-system-packages --no-deps -r requirements.txt; \
+	apt-get remove -y --purge --autoremove build-essential python3-dev; \
 	rm -rf /var/lib/apt/lists/*;
 
 # Change the uid of postgres to 26