diff --git a/charts/stable/drawio/Chart.yaml b/charts/stable/drawio/Chart.yaml
index 3d02deaf2d9..2d986d403bb 100644
--- a/charts/stable/drawio/Chart.yaml
+++ b/charts/stable/drawio/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: "20.8.13"
+appVersion: "20.8.15"
 dependencies:
   - name: common
     repository: https://library-charts.truecharts.org
@@ -19,7 +19,7 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/drawio
   - https://hub.docker.com/jgraph/drawio
   - https://github.com/jgraph/drawio
-version: 4.0.20
+version: 4.0.21
 annotations:
   truecharts.org/catagories: |
     - media
diff --git a/charts/stable/drawio/values.yaml b/charts/stable/drawio/values.yaml
index d453ccace41..57cad3fb7ee 100644
--- a/charts/stable/drawio/values.yaml
+++ b/charts/stable/drawio/values.yaml
@@ -1,6 +1,6 @@
 image:
   repository: tccr.io/truecharts/drawio
-  tag: 20.8.13@sha256:087006ee71ef5c5bd34de2198465dc4bd200f62227c1cc49b469c4656d3e9f01
+  tag: 20.8.15@sha256:0e98ecdea497308f3c08649ca6f05a4ef1995e2df27f94198610771b4170cf08
   pullPolicy: IfNotPresent
 
 securityContext: