diff --git a/conf/app.src b/conf/app.src
index b27901e..cfcbf4c 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/fisharebest/webtrees/releases/download/2.1.13/webtrees-2.1.13.zip
-SOURCE_SUM=211850eedaab321376a052c305285fe90538a1590ff52dba89675000fc9f5860
+SOURCE_URL=https://github.com/fisharebest/webtrees/releases/download/2.1.15/webtrees-2.1.15.zip
+SOURCE_SUM=cdf5bba73019d4c898adb70723d176be186c794f85fba7c4c806764d63b71781
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index 8cb58c2..b549107 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Web-based genealogy application",
         "fr": "Logiciel libre de généalogie en ligne"
     },
-    "version": "2.1.13~ynh1",
+    "version": "2.1.15~ynh1",
     "url": "https://www.webtrees.net",
     "upstream": {
         "license": "GPL-3.0-or-later",