diff --git a/conf/app.src b/conf/app.src
index cd15a66..40e4a5e 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/LycheeOrg/Lychee/archive/refs/tags/v4.5.2.zip
-SOURCE_SUM=51777d32a31086baee36c6a179bce8e103c5044a800aade44df2c315b4046ff9
+SOURCE_URL=https://github.com/LycheeOrg/Lychee/archive/refs/tags/v4.5.3.zip
+SOURCE_SUM=fa22593a40eae8b125433f8fe7e36d984f6be2de47a4f74d3b5705d90b1f28c1
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index e1346c7..676fd37 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Photo-management-system to manage and share photos",
         "fr": "Système de gestion de photos pour gérer et partager des photos"
     },
-    "version": "4.5.2~ynh1",
+    "version": "4.5.3~ynh1",
     "url": "https://lycheeorg.github.io/",
     "upstream": {
         "license": "MIT",