diff --git a/README.md b/README.md
index 8ad2717..37e57ff 100644
--- a/README.md
+++ b/README.md
@@ -719,6 +719,7 @@ kubectl create secret generic gitea-themes --from-file={{FULL-PATH-TO-CSS}} --na
 | `image.registry`   | image registry, e.g. gcr.io,docker.io                                                                                                   | `""`          |
 | `image.repository` | Image to start for this pod                                                                                                             | `gitea/gitea` |
 | `image.tag`        | Visit: [Image tag](https://hub.docker.com/r/gitea/gitea/tags?page=1&ordering=last_updated). Defaults to `appVersion` within Chart.yaml. | `""`          |
+| `image.digest`     | Image digest. Allows to pin the given image tag. Useful for having control over mutable tags like `latest`                              | `""`          |
 | `image.pullPolicy` | Image pull policy                                                                                                                       | `Always`      |
 | `image.rootless`   | Wether or not to pull the rootless version of Gitea, only works on Gitea 1.14.x or higher                                               | `true`        |
 | `imagePullSecrets` | Secret to use for pulling the image                                                                                                     | `[]`          |
diff --git a/templates/_helpers.tpl b/templates/_helpers.tpl
index 2dad930..565f335 100644
--- a/templates/_helpers.tpl
+++ b/templates/_helpers.tpl
@@ -57,13 +57,18 @@ Create image name and tag used by the deployment.
 */}}
 {{- define "gitea.image" -}}
 {{- $registry := .Values.global.imageRegistry | default .Values.image.registry -}}
-{{- $name := .Values.image.repository -}}
+{{- $repository := .Values.image.repository -}}
+{{- $separator := ":" -}}
 {{- $tag := .Values.image.tag | default .Chart.AppVersion -}}
 {{- $rootless := ternary "-rootless" "" (.Values.image.rootless) -}}
-{{- if $registry -}}
-  {{- printf "%s/%s:%s%s" $registry $name $tag $rootless -}}
+{{- $digest := "" -}}
+{{- if .Values.image.digest }}
+    {{- $digest = (printf "@%s" (.Values.image.digest | toString)) -}}
+{{- end -}}
+{{- if $registry }}
+    {{- printf "%s/%s%s%s%s%s" $registry $repository $separator $tag $rootless $digest -}}
 {{- else -}}
-  {{- printf "%s:%s%s" $name $tag $rootless -}}
+    {{- printf "%s%s%s%s%s" $repository $separator $tag $rootless $digest -}}
 {{- end -}}
 {{- end -}}
 
diff --git a/unittests/deployment/image-configuration.yaml b/unittests/deployment/image-configuration.yaml
new file mode 100644
index 0000000..cdfd73a
--- /dev/null
+++ b/unittests/deployment/image-configuration.yaml
@@ -0,0 +1,78 @@
+suite: deployment template (image configuration)
+release:
+  name: gitea-unittests
+  namespace: testing
+chart:
+  # Override appVersion to be consistent with used digest :)
+  appVersion: 1.19.3
+templates:
+  - templates/gitea/deployment.yaml
+  - templates/gitea/config.yaml
+tests:
+  - it: default values
+    template: templates/gitea/deployment.yaml
+    asserts:
+      - equal:
+          path: spec.template.spec.containers[0].image
+          value: "gitea/gitea:1.19.3-rootless"
+  - it: tag override
+    template: templates/gitea/deployment.yaml
+    set:
+      image.tag: "1.19.4"
+    asserts:
+      - equal:
+          path: spec.template.spec.containers[0].image
+          value: "gitea/gitea:1.19.4-rootless"
+  - it: root-based image
+    template: templates/gitea/deployment.yaml
+    set:
+      image.rootless: false
+    asserts:
+      - equal:
+          path: spec.template.spec.containers[0].image
+          value: "gitea/gitea:1.19.3"
+  - it: scoped registry
+    template: templates/gitea/deployment.yaml
+    set:
+      image.registry: "example.com"
+    asserts:
+      - equal:
+          path: spec.template.spec.containers[0].image
+          value: "example.com/gitea/gitea:1.19.3-rootless"
+  - it: global registry
+    template: templates/gitea/deployment.yaml
+    set:
+      global.imageRegistry: "global.example.com"
+    asserts:
+      - equal:
+          path: spec.template.spec.containers[0].image
+          value: "global.example.com/gitea/gitea:1.19.3-rootless"
+  - it: digest for rootless image
+    template: templates/gitea/deployment.yaml
+    set:
+      image:
+        rootless: true
+        digest: sha256:b28e8f3089b52ebe6693295df142f8c12eff354e9a4a5bfbb5c10f296c3a537a
+    asserts:
+      - equal:
+          path: spec.template.spec.containers[0].image
+          value: "gitea/gitea:1.19.3-rootless@sha256:b28e8f3089b52ebe6693295df142f8c12eff354e9a4a5bfbb5c10f296c3a537a"
+  - it: digest for root-based image
+    template: templates/gitea/deployment.yaml
+    set:
+      image:
+        rootless: false
+        digest: sha256:b28e8f3089b52ebe6693295df142f8c12eff354e9a4a5bfbb5c10f296c3a537a
+    asserts:
+      - equal:
+          path: spec.template.spec.containers[0].image
+          value: "gitea/gitea:1.19.3@sha256:b28e8f3089b52ebe6693295df142f8c12eff354e9a4a5bfbb5c10f296c3a537a"
+  - it: digest and global registry
+    template: templates/gitea/deployment.yaml
+    set:
+      global.imageRegistry: "global.example.com"
+      image.digest: "sha256:b28e8f3089b52ebe6693295df142f8c12eff354e9a4a5bfbb5c10f296c3a537a"
+    asserts:
+      - equal:
+          path: spec.template.spec.containers[0].image
+          value: "global.example.com/gitea/gitea:1.19.3-rootless@sha256:b28e8f3089b52ebe6693295df142f8c12eff354e9a4a5bfbb5c10f296c3a537a"
diff --git a/values.yaml b/values.yaml
index c33e243..34c859d 100644
--- a/values.yaml
+++ b/values.yaml
@@ -40,6 +40,7 @@ clusterDomain: cluster.local
 ## @param image.registry image registry, e.g. gcr.io,docker.io
 ## @param image.repository Image to start for this pod
 ## @param image.tag Visit: [Image tag](https://hub.docker.com/r/gitea/gitea/tags?page=1&ordering=last_updated). Defaults to `appVersion` within Chart.yaml.
+## @param image.digest Image digest. Allows to pin the given image tag. Useful for having control over mutable tags like `latest`
 ## @param image.pullPolicy Image pull policy
 ## @param image.rootless Wether or not to pull the rootless version of Gitea, only works on Gitea 1.14.x or higher
 image:
@@ -47,6 +48,7 @@ image:
   repository: gitea/gitea
   # Overrides the image tag whose default is the chart appVersion.
   tag: ""
+  digest: ""
   pullPolicy: Always
   rootless: true