diff --git a/conf/app.src b/conf/app.src
index 9063874..e0cf7af 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/duniter/cesium/releases/download/v1.6.12/cesium-v1.6.12-web.zip
-SOURCE_SUM=8e87a21b5781efb2420645dd2a41ef124d7626a9777142aedc43dcb11fcfa702
+SOURCE_URL=https://github.com/duniter/cesium/releases/download/v1.7.6/cesium-v1.7.6-web.zip
+SOURCE_SUM=70abba1c2a7c33953996d3eeb99d71ac5c60cac6b01fb68fcbcb9f0fddccfce7
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=false
diff --git a/manifest.json b/manifest.json
index aed2feb..7172a0c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Duniter client to manage wallets, certifications in a libre money",
         "fr": "Client Duniter pour gérer ses portes-monnaie, les certifications au sein d’une monnaie libre"
     },
-    "version": "1.6.12~ynh2",
+    "version": "1.7.6~ynh1",
     "url": "https://github.com/duniter/cesium",
     "upstream": {
         "license": "AGPL-3.0-or-later",