diff --git a/Dockerfile b/Dockerfile
index b529275..1fe08b6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,10 @@
 # Lean PostgreSQL image with pgvector, PostGIS, and pg_textsearch
 # Multi-stage build - all toolchains discarded, only artifacts kept
 
-ARG PG_VERSION=17
-ARG PGVECTOR_VERSION=0.8.0
-ARG POSTGIS_VERSION=3.5.1
-ARG PG_TEXTSEARCH_VERSION=0.6.0
+ARG PG_VERSION=18
+ARG PGVECTOR_VERSION=0.8.2
+ARG POSTGIS_VERSION=3.6.2
+ARG PG_TEXTSEARCH_VERSION=0.6.1
 
 #############################################
 # Stage 1: Build extensions
@@ -82,4 +82,4 @@ COPY --from=builder /usr/local/share/postgresql/ /usr/local/share/postgresql/
 RUN echo "shared_preload_libraries = 'pg_textsearch'" >> /usr/local/share/postgresql/postgresql.conf.sample
 
 LABEL org.opencontainers.image.source="https://github.com/constructive-io/docker"
-LABEL org.opencontainers.image.description="PostgreSQL 17 with pgvector, PostGIS, and pg_textsearch"
+LABEL org.opencontainers.image.description="PostgreSQL 18 with pgvector, PostGIS, and pg_textsearch"
diff --git a/Makefile b/Makefile
index 2d36ed8..2b399f4 100644
--- a/Makefile
+++ b/Makefile
@@ -39,7 +39,6 @@ test: build
 		CREATE EXTENSION vector; \
 		CREATE EXTENSION postgis; \
 		CREATE EXTENSION pg_textsearch; \
-		CREATE EXTENSION pgsodium; \
 		SELECT 'all extensions OK';"
 	@docker stop $(CONTAINER_NAME)-test > /dev/null
 	@docker rm $(CONTAINER_NAME)-test > /dev/null
diff --git a/README.md b/README.md
index 4e3db68..91d91d1 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
    <img src="https://raw.githubusercontent.com/constructive-io/docker/refs/heads/main/img/logo.svg" alt="constructive" height="180"><br />
 </p>
 
-Lean PostgreSQL 17 image with essential extensions for modern applications.
+Lean PostgreSQL 18 image with essential extensions for modern applications.
 
 ## Extensions