diff --git a/README.md b/README.md
index a0645da..bb31207 100644
--- a/README.md
+++ b/README.md
@@ -75,6 +75,7 @@ You should be good to go!
 | `statefulset.dind.extraVolumeMounts`      | Allows mounting extra volumes in the Docker-in-Docker container                                                                             | `[]`                           |
 | `statefulset.dind.extraEnvs`              | Allows adding custom environment variables, such as `DOCKER_IPTABLES_LEGACY`                                                                | `[]`                           |
 | `statefulset.persistence.size`            | Size for persistence to store act runner data                                                                                               | `1Gi`                          |
+| `statefulset.securityContext`             | Customize the SecurityContext                                                                                                               | `{}`                           |
 | `existingSecret`                          | Secret that contains the token                                                                                                              | `""`                           |
 | `existingSecretKey`                       | Secret key                                                                                                                                  | `""`                           |
 | `giteaRootURL`                            | URL the act_runner registers and connect with                                                                                               | `""`                           |
diff --git a/templates/statefulset.yaml b/templates/statefulset.yaml
index 6635af3..a1b550d 100644
--- a/templates/statefulset.yaml
+++ b/templates/statefulset.yaml
@@ -30,6 +30,8 @@ spec:
         {{- toYaml . | nindent 8 }}
         {{- end }}
     spec:
+      securityContext:
+        {{- toYaml .Values.statefulset.securityContext | nindent 8 }}
       initContainers:
         - name: init-gitea
           image: "{{ include "gitea.actions.init.image" . }}"
diff --git a/unittests/helm/statefulset.yaml b/unittests/helm/statefulset.yaml
index ca38302..a16b1dc 100644
--- a/unittests/helm/statefulset.yaml
+++ b/unittests/helm/statefulset.yaml
@@ -162,6 +162,60 @@ tests:
       - matchRegex:
           path: spec.template.spec.containers[0].env[8].name
           pattern: "GITEA_RUNNER_NAME"
+  - it: Has fsGroup in securityContext
+    template: templates/statefulset.yaml
+    set:
+      enabled: true
+      existingSecret: "my-secret"
+      existingSecretKey: "my-secret-key"
+      statefulset.securityContext:
+        fsGroup: 1000
+    asserts:
+      - hasDocuments:
+          count: 1
+      - containsDocument:
+          kind: StatefulSet
+          apiVersion: apps/v1
+          name: gitea-unittests-actions-act-runner
+      - equal:
+          path: spec.template.spec.securityContext["fsGroup"]
+          value: 1000
+  - it: Has fsGroupChangePolicy in securityContext
+    template: templates/statefulset.yaml
+    set:
+      enabled: true
+      existingSecret: "my-secret"
+      existingSecretKey: "my-secret-key"
+      statefulset.securityContext:
+        fsGroupChangePolicy: OnRootMismatch
+    asserts:
+      - hasDocuments:
+          count: 1
+      - containsDocument:
+          kind: StatefulSet
+          apiVersion: apps/v1
+          name: gitea-unittests-actions-act-runner
+      - equal:
+          path: spec.template.spec.securityContext["fsGroupChangePolicy"]
+          value: "OnRootMismatch"
+  - it: Has Always in securityContext
+    template: templates/statefulset.yaml
+    set:
+      enabled: true
+      existingSecret: "my-secret"
+      existingSecretKey: "my-secret-key"
+      statefulset.securityContext:
+        fsGroupChangePolicy: Always
+    asserts:
+      - hasDocuments:
+          count: 1
+      - containsDocument:
+          kind: StatefulSet
+          apiVersion: apps/v1
+          name: gitea-unittests-actions-act-runner
+      - equal:
+          path: spec.template.spec.securityContext["fsGroupChangePolicy"]
+          value: "Always"
   - it: doesn't renders a StatefulSet by default
     template: templates/statefulset.yaml
     asserts:
diff --git a/values.yaml b/values.yaml
index b90ad56..6e89f6d 100644
--- a/values.yaml
+++ b/values.yaml
@@ -31,6 +31,7 @@
 ## @param statefulset.dind.extraVolumeMounts Allows mounting extra volumes in the Docker-in-Docker container
 ## @param statefulset.dind.extraEnvs Allows adding custom environment variables, such as `DOCKER_IPTABLES_LEGACY`
 ## @param statefulset.persistence.size Size for persistence to store act runner data
+## @param statefulset.securityContext Customize the SecurityContext
 ## @param existingSecret Secret that contains the token
 ## @param existingSecretKey Secret key
 ## @param giteaRootURL URL the act_runner registers and connect with
@@ -45,6 +46,7 @@ statefulset:
   tolerations: []
   affinity: {}
   extraVolumes: []
+  securityContext: {}
 
   actRunner:
     registry: "docker.gitea.com"