diff --git a/conf/app.src b/conf/app.src
index 906ff25..6320061 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,7 +1,7 @@
-SOURCE_URL=https://github.com/glitch-soc/mastodon/archive/678e07c54485c6cc61b2ac18aa5ceaa290a6fcbd.tar.gz
-SOURCE_SUM=4c970c6af2dc9652a1374c3d70c3ea5256ea4e04a76aa206ebbf9a3516fcbc64
+SOURCE_URL=https://github.com/glitch-soc/mastodon/archive/2024aef0f9b52297d814811f5825678a563f78ff.tar.gz
+SOURCE_SUM=d22e21d0175837e6969cdf6b2658784a288cc841cbfda18fb43de5f90d783586
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
+SOURCE_FILENAME=2024aef0f9b52297d814811f5825678a563f78ff.tar.gz
 SOURCE_EXTRACT=true
diff --git a/manifest.json b/manifest.json
index d9b1a97..c8336ee 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "A libre and federated social network, fork of Mastodon.",
         "fr": "Un réseau social libre et fédéré, scission de Mastodon."
     },
-    "version": "3.4.0~ynh1",
+    "version": "2021-05-22~ynh2",
     "url": "https://github.com/glitch-soc/mastodon",
     "upstream": {
         "license": "free",
@@ -25,7 +25,7 @@
         "nginx"
     ],
     "arguments": {
-        "install" : [
+        "install": [
             {
                 "name": "domain",
                 "type": "domain",
@@ -47,8 +47,11 @@
                 "ask": {
                     "en": "Choose the application language",
                     "fr": "Choisissez la langue de l'application"
-            },
-                "choices": ["en_EN", "fr_FR"],
+                },
+                "choices": [
+                    "en_EN",
+                    "fr_FR"
+                ],
                 "default": "fr_FR"
             }
         ]