diff --git a/kubernetes/apps/default/outline/app/helmrelease.yaml b/kubernetes/apps/default/outline/app/helmrelease.yaml
index f8b65ceff..d6ebbf72f 100644
--- a/kubernetes/apps/default/outline/app/helmrelease.yaml
+++ b/kubernetes/apps/default/outline/app/helmrelease.yaml
@@ -45,7 +45,7 @@ spec:
           app:
             image:
               repository: docker.io/outlinewiki/outline
-              tag: 0.77.3@sha256:9e1eb2875d11b631fc249845b72f6c93f1e11668731ae9f2f7957dda84dc4dfb
+              tag: 0.78.0@sha256:d317b2e03b8e61ea013f27c08f83e23a9986cec44545fd2370e4f7b6c0213e11
             envFrom:
               - secretRef:
                   name: outline-secret