diff --git a/kubernetes/apps/observability/gatus/app/helmrelease.yaml b/kubernetes/apps/observability/gatus/app/helmrelease.yaml
index 05eb6cc2a..5082c2341 100644
--- a/kubernetes/apps/observability/gatus/app/helmrelease.yaml
+++ b/kubernetes/apps/observability/gatus/app/helmrelease.yaml
@@ -47,7 +47,7 @@ spec:
           app:
             image:
               repository: ghcr.io/twin/gatus
-              tag: v5.20.0@sha256:e655d13d0cb89c64a2e53a853bbca9556a7238e788bc4a08c19aa5fb7938d0da
+              tag: v5.21.0@sha256:b45c89b1f8bfd5be456306b2bf1a581cc13ca0d897faf357ef77c35ac9eca1fa
             env:
               CUSTOM_SECRET_EXTERNAL_DOMAIN: ${SECRET_EXTERNAL_DOMAIN}
               GATUS_CONFIG_PATH: /config