diff --git a/conf/admin.src b/conf/admin.src
index a9525ca..002c1f2 100644
--- a/conf/admin.src
+++ b/conf/admin.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/TryGhost/Admin/archive/refs/tags/v4.23.0.zip
-SOURCE_SUM=327d767fed607e0452a4c55dcae1383bb203b5291d6a4bc85d743d6e72931203
+SOURCE_URL=https://github.com/TryGhost/Admin/archive/refs/tags/v4.28.0.zip
+SOURCE_SUM=374685653c4a89efca39d94814fb8aca4ce893672135e2d7a2f326b53cfc7fb0
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=false
diff --git a/conf/app.src b/conf/app.src
index 9b9d8c2..011be6b 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/TryGhost/Ghost/releases/download/v4.23.0/Ghost-4.23.0.zip
-SOURCE_SUM=f6411854321f7dc1fa7c9ad09e69891a15f5f1d9f9ae274a6da80e34c302cc8e
+SOURCE_URL=https://github.com/TryGhost/Ghost/releases/download/v4.28.0/Ghost-4.28.0.zip
+SOURCE_SUM=752874d8fe0a38d4313c42859e7b3417418af06b52fc72db2b4d80e8d021659d
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=false
diff --git a/manifest.json b/manifest.json
index a39c1ee..c224027 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Publishing, memberships, subscriptions and newsletters platform",
         "fr": "Plateforme d'édition, d'adhésions, d'abonnements et de newsletters"
     },
-    "version": "4.23.0~ynh1",
+    "version": "4.28.0~ynh1",
     "url": "https://ghost.org/",
     "upstream": {
         "license": "MIT",