diff --git a/conf/app.src b/conf/app.src
index 1b84cf6..9a6963d 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/osTicket/osTicket/releases/download/v1.17.2/osTicket-v1.17.2.zip
-SOURCE_SUM=53aa6349c0ee6367d4370cc663a8047d3038f5e0d3668f42b3f90f20534fb717
+SOURCE_URL=https://github.com/osTicket/osTicket/releases/download/v1.17.3/osTicket-v1.17.3.zip
+SOURCE_SUM=be3ade536a19b875e16fe0d9716e07f3897f5c0cdbd4efe4ff17ab262d98bed3
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index 043ac5c..ef1abee 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Open source support ticket system",
         "fr": "Système de ticket de support open source"
     },
-    "version": "1.17.2~ynh2",
+    "version": "1.17.3~ynh1",
     "url": "https://osticket.com",
     "upstream": {
         "license": "GPL-2.0-or-later",