diff --git a/charts/stable/thunderbird/Chart.yaml b/charts/stable/thunderbird/Chart.yaml
index edc298b7eea..f36f0f0aef4 100644
--- a/charts/stable/thunderbird/Chart.yaml
+++ b/charts/stable/thunderbird/Chart.yaml
@@ -23,7 +23,7 @@ icon: https://truecharts.org/img/hotlink-ok/chart-icons/thunderbird.png
 keywords:
   - thunderbird
   - mail
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 maintainers:
   - name: TrueCharts
     email: info@truecharts.org
@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/thunderbird
   - https://hub.docker.com/r/ich777/thunderbird
 type: application
-version: 5.1.2
+version: 5.1.3
diff --git a/charts/stable/thunderbird/values.yaml b/charts/stable/thunderbird/values.yaml
index db2b10cca03..eed960dea93 100644
--- a/charts/stable/thunderbird/values.yaml
+++ b/charts/stable/thunderbird/values.yaml
@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: ich777/thunderbird
-  tag: latest@sha256:b93db06cbf0216b3a1a1bc1e08eba8710d79b9a54be0cf52d34afd3656f0f2b8
+  tag: latest@sha256:5ac32507e5cad25930eb59819b91f068c4eb1885dac2149b1550893eb067782d
 persistence:
   data:
     enabled: true