diff --git a/conduit/values.yaml b/conduit/values.yaml
index 5ed96e1..c749012 100644
--- a/conduit/values.yaml
+++ b/conduit/values.yaml
@@ -70,7 +70,7 @@ wellknown:
     pullPolicy: IfNotPresent
     # -- image tag
     # @section -- well known
-    tag: "1.27.5"
+    tag: "1.28.0"
 
   # -- replicas
   # @section -- well known
diff --git a/matrix-synapse/values.yaml b/matrix-synapse/values.yaml
index 7777a17..a571bee 100644
--- a/matrix-synapse/values.yaml
+++ b/matrix-synapse/values.yaml
@@ -615,7 +615,7 @@ wellknown:
   image:
     registry: docker.io
     repository: library/nginx
-    tag: 1.27.5
+    tag: 1.28.0
     pullPolicy: IfNotPresent
 
   replicaCount: 1