diff --git a/k8s/sources/airtrail/deployment.yaml b/k8s/sources/airtrail/deployment.yaml
index 397edadc..e307cd35 100644
--- a/k8s/sources/airtrail/deployment.yaml
+++ b/k8s/sources/airtrail/deployment.yaml
@@ -53,7 +53,7 @@ spec:
               mountPath: /app/uploads
               subPath: uploads
         - name: db
-          image: postgres:16.14-alpine
+          image: postgres:18.4-alpine
           env:
             - name: TZ
               value: America/New_York
diff --git a/k8s/sources/nextcloud/deployment.yaml b/k8s/sources/nextcloud/deployment.yaml
index 966d04ed..cf8c9e64 100644
--- a/k8s/sources/nextcloud/deployment.yaml
+++ b/k8s/sources/nextcloud/deployment.yaml
@@ -76,7 +76,7 @@ spec:
               mountPath: /var/www/html/data
               subPath: nextcloud/data
         - name: db
-          image: postgres:17.10-alpine
+          image: postgres:18.4-alpine
           env:
             - name: TZ
               value: America/New_York