diff --git a/charts/mok/Chart.yaml b/charts/mok/Chart.yaml
index 5cf6a500409e6104c6c79c0c05e7ef6807639b86..91f0f5978471f0276a9bbd5be1d97bc0d465b6f8 100644
--- a/charts/mok/Chart.yaml
+++ b/charts/mok/Chart.yaml
@@ -3,7 +3,7 @@ name: mok
 description: |
   Mail on Kubernetes (MoK) is a project to deploy a functional mailserver that runs without a database server on Kubernetes, taking advantage of configmaps and secret.
 type: application
-version: 0.9.2
+version: 0.9.3
 sources:
   - https://de.postfix.org/ftpmirror/index.html
   - https://github.com/dovecot/core
diff --git a/charts/mok/README.md b/charts/mok/README.md
index 5e16f672c93003d07bac3c30d20bd21efc1438ec..b4da4ebbe8a57ff18bb476a9cce5fa660dccaca3 100644
--- a/charts/mok/README.md
+++ b/charts/mok/README.md
@@ -1,6 +1,6 @@
 # mok
 
-![Version: 0.9.2](https://img.shields.io/badge/Version-0.9.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
+![Version: 0.9.3](https://img.shields.io/badge/Version-0.9.3-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 
 Mail on Kubernetes (MoK) is a project to deploy a functional mailserver that runs without a database server on Kubernetes, taking advantage of configmaps and secret.
 
@@ -56,7 +56,7 @@ Mail on Kubernetes (MoK) is a project to deploy a functional mailserver that run
 | postfix.hostname | string | `nil` | explicitly set postfix hostname |
 | postfix.image.pullPolicy | string | `"IfNotPresent"` |  |
 | postfix.image.repository | string | `"quay.io/shivering-isles/postfix"` | postfix container image |
-| postfix.image.tag | string | `"0.4.4"` | Overrides the image tag whose default is "latest" |
+| postfix.image.tag | string | `"0.4.5"` | Overrides the image tag whose default is "latest" |
 | postfix.imagePullSecrets | list | `[]` |  |
 | postfix.nodeSelector | object | `{}` |  |
 | postfix.podAnnotations | object | `{}` |  |
diff --git a/charts/mok/values.yaml b/charts/mok/values.yaml
index e24f6b0be80a7e505e7cf7d94b8d959d2e2c4b22..5f3cf044ac377dedc755706efca662d21a810dc8 100644
--- a/charts/mok/values.yaml
+++ b/charts/mok/values.yaml
@@ -46,7 +46,7 @@ postfix:
     repository: quay.io/shivering-isles/postfix
     pullPolicy: IfNotPresent
     # -- Overrides the image tag whose default is "latest"
-    tag: "0.4.4"
+    tag: "0.4.5"
 
   imagePullSecrets: []
 
diff --git a/images/postfix/.release b/images/postfix/.release
index 0f51e81ce540f7e994262283738dd7db3476f3cf..26560e3858a7757d0cf277c21ea02e4137186497 100644
--- a/images/postfix/.release
+++ b/images/postfix/.release
@@ -1 +1 @@
-release=0.4.4
+release=0.4.5