diff --git a/manifests/argocd/apps/firefly/base/apps/postgresql-chart.yaml b/manifests/argocd/apps/firefly/base/apps/postgresql-chart.yaml
index c5599154..68218842 100644
--- a/manifests/argocd/apps/firefly/base/apps/postgresql-chart.yaml
+++ b/manifests/argocd/apps/firefly/base/apps/postgresql-chart.yaml
@@ -13,7 +13,7 @@ spec:
   source:
     repoURL: registry-1.docker.io/bitnamicharts
     chart: postgresql
-    targetRevision: 16.7.10
+    targetRevision: 18.4.0
     helm:
       values: |-
         volumePermissions:
diff --git a/manifests/argocd/apps/keycloak/base/apps/postgresql-chart.yaml b/manifests/argocd/apps/keycloak/base/apps/postgresql-chart.yaml
index cb0b98ac..a493ecbe 100644
--- a/manifests/argocd/apps/keycloak/base/apps/postgresql-chart.yaml
+++ b/manifests/argocd/apps/keycloak/base/apps/postgresql-chart.yaml
@@ -12,7 +12,7 @@ spec:
   source:
     repoURL: registry-1.docker.io/bitnamicharts
     chart: postgresql
-    targetRevision: 16.7.10
+    targetRevision: 18.4.0
     helm:
       values: |-
 
diff --git a/manifests/argocd/apps/n8n/base/apps/postgresql-chart.yaml b/manifests/argocd/apps/n8n/base/apps/postgresql-chart.yaml
index 93a9fd62..a71695f4 100644
--- a/manifests/argocd/apps/n8n/base/apps/postgresql-chart.yaml
+++ b/manifests/argocd/apps/n8n/base/apps/postgresql-chart.yaml
@@ -13,7 +13,7 @@ spec:
   source:
     repoURL: registry-1.docker.io/bitnamicharts
     chart: postgresql
-    targetRevision: 16.7.10
+    targetRevision: 18.4.0
     helm:
       values: |-
         volumePermissions:
diff --git a/manifests/argocd/apps/paperless-ng/base/apps/postgresql-chart.yaml b/manifests/argocd/apps/paperless-ng/base/apps/postgresql-chart.yaml
index d818fae3..9ccef221 100644
--- a/manifests/argocd/apps/paperless-ng/base/apps/postgresql-chart.yaml
+++ b/manifests/argocd/apps/paperless-ng/base/apps/postgresql-chart.yaml
@@ -12,7 +12,7 @@ spec:
   source:
     repoURL: registry-1.docker.io/bitnamicharts
     chart: postgresql
-    targetRevision: 16.7.10
+    targetRevision: 18.4.0
     helm:
       values: |-
 
diff --git a/manifests/argocd/apps/spliit/base/apps/postgresql-chart.yaml b/manifests/argocd/apps/spliit/base/apps/postgresql-chart.yaml
index 6bbd6bfc..d15baef2 100644
--- a/manifests/argocd/apps/spliit/base/apps/postgresql-chart.yaml
+++ b/manifests/argocd/apps/spliit/base/apps/postgresql-chart.yaml
@@ -13,7 +13,7 @@ spec:
   source:
     repoURL: registry-1.docker.io/bitnamicharts
     chart: postgresql
-    targetRevision: 15.5.38
+    targetRevision: 18.4.0
     helm:
       values: |-
 
diff --git a/manifests/argocd/apps/vaultwarden/base/apps/postgresql-chart.yaml b/manifests/argocd/apps/vaultwarden/base/apps/postgresql-chart.yaml
index c833d1de..62a5a910 100644
--- a/manifests/argocd/apps/vaultwarden/base/apps/postgresql-chart.yaml
+++ b/manifests/argocd/apps/vaultwarden/base/apps/postgresql-chart.yaml
@@ -13,7 +13,7 @@ spec:
   source:
     repoURL: registry-1.docker.io/bitnamicharts
     chart: postgresql
-    targetRevision: 16.7.10
+    targetRevision: 18.4.0
     helm:
       values: |-