diff --git a/.gitea/workflows/build-pgvector.yaml b/.gitea/workflows/build-pgvector.yaml
index 2b8a948..5048eb9 100644
--- a/.gitea/workflows/build-pgvector.yaml
+++ b/.gitea/workflows/build-pgvector.yaml
@@ -6,14 +6,9 @@ on:
       - 'pgvector/**'
       - '.gitea/workflows/build-pgvector.yaml'      
 jobs:
-  "Build wildfly docker images":
+  "Build pgvector docker images":
     runs-on: woryzen
     steps:
-      -
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3.4.0
-        with:
-          driver: docker-container
       -
         name: Login to Gitea container registry
         uses: docker/login-action@v3
@@ -25,15 +20,18 @@ jobs:
         name: Build and push pgvector images
         uses: docker/build-push-action@v6
         with:
+          builder: multiplatform-builder
           context: "{{defaultContext}}:pgvector"
           push: true
           pull: true
+          platforms: |
+            linux/amd64
+            linux/arm64
           tags: |
             "gitea.woggioni.net/woggioni/pgvector:latest"
-            "gitea.woggioni.net/woggioni/pgvector:0.8.1-pg17"
+            "gitea.woggioni.net/woggioni/pgvector:0.8.1-pg18.1-alpine3.23"
           build-args: |
-            PG_VERSION=17
+            PG_VERSION=18.1
+            ALPINE_VERSION=3.23
             PGVECTOR_VERSION=0.8.1
-          cache-from: type=registry,ref=gitea.woggioni.net/woggioni/pgvector:buildx
-          cache-to: type=registry,mode=max,compression=zstd,image-manifest=true,oci-mediatypes=true,ref=gitea.woggioni.net/woggioni/pgvector:buildx          
 
diff --git a/pgvector/Dockerfile b/pgvector/Dockerfile
index 24d5750..73d13aa 100644
--- a/pgvector/Dockerfile
+++ b/pgvector/Dockerfile
@@ -1,5 +1,5 @@
-ARG PG_VERSION=17
-FROM postgres:${PG_VERSION}-alpine AS build
+ARG PG_VERSION=18.1 ALPINE_VERSION=3.23
+FROM postgres:${PG_VERSION}-alpine${ALPINE_VERSION} AS build
 
 ARG PGVECTOR_VERSION
 WORKDIR /