diff --git a/charts/guacamole/values.yaml b/charts/guacamole/values.yaml
index 78e425c..d2b5951 100644
--- a/charts/guacamole/values.yaml
+++ b/charts/guacamole/values.yaml
@@ -162,7 +162,7 @@ ingress:
 database:
   enabled: true
 
-  image: ghcr.io/cloudnative-pg/postgresql:16.1
+  image: ghcr.io/cloudnative-pg/postgresql:16.4
 
   database: guacdb
   owner: guacdb