diff --git a/.github/workflows/automerge.yml b/.github/workflows/automerge.yml
deleted file mode 100644
index 2cbf113..0000000
--- a/.github/workflows/automerge.yml
+++ /dev/null
@@ -1,30 +0,0 @@
-name: automerge
-on:
-  pull_request:
-    types:
-      - labeled
-      - unlabeled
-      - synchronize
-      - opened
-      - edited
-      - ready_for_review
-      - reopened
-      - unlocked
-  pull_request_review:
-    types:
-      - submitted
-  check_suite:
-    types:
-      - completed
-  status: {}
-jobs:
-  automerge:
-    runs-on: ubuntu-latest
-    steps:
-      - name: automerge
-        uses: "pascalgn/automerge-action@7ab42e888a333bf77ce865bc84fedc6a365a3548"
-        env:
-          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
-          MERGE_RETRIES: 30
-          MERGE_RETRY_SLEEP: 10000
-          MERGE_METHOD: merge
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 892d913..df35f55 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,8 +9,6 @@ on:
 jobs:
   tests:
     runs-on: ubuntu-latest
-    if: github.event_name == 'pull_request'
-
     steps:
       - uses: actions/checkout@v1
 
@@ -28,8 +26,9 @@ jobs:
 
   deploy:
     runs-on: ubuntu-latest
+    needs:
+      - tests
     if: github.event_name == 'push'
-
     steps:
       - uses: actions/checkout@v1
 
diff --git a/Dockerfile b/Dockerfile
index 968934d..d149415 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.14
+FROM alpine:3.18
 
 
 ARG ARG_POSTFIX_VERSION
diff --git a/README.md b/README.md
index 7479ba3..d8323b9 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Simple postfix host intended for container clusters like swarm, Kubernetes, k3s,
 
 This image allows you to run a postfix server (**plain SMTP only**) internally inside your docker cluster installation to centralise outgoing email sending.
 
-This image is not for a production environment since there is no way to configure TLS, authentication, relay, etc.
+This image is not suitable for a production environment since there is no way to configure TLS, authentication, relay, etc."
 
 ## How to run
 
diff --git a/conf.env b/conf.env
index eb1202d..d72359b 100644
--- a/conf.env
+++ b/conf.env
@@ -1,2 +1,2 @@
-POSTFIX_VERSION=3.6.3-r0
+POSTFIX_VERSION=3.8.2-r0
 DOCKER_IMAGE=dcarrillo/postfix