diff --git a/apps/base/hedgedoc/database.yaml b/apps/base/hedgedoc/database.yaml
index 48d34c478f88492cec7b76447891caeb5e6079a6..32e8cfed37f8d4ea01131965fb7bf866eb668119 100644
--- a/apps/base/hedgedoc/database.yaml
+++ b/apps/base/hedgedoc/database.yaml
@@ -15,7 +15,7 @@ spec:
   databases:
     hedgedoc: hedgedoc
   postgresql:
-    version: "14"
+    version: "15"
   spiloFSGroup: 103
   tls:
     secretName: "hedgedoc-postgres-tls"