diff --git a/conf/app.src b/conf/app.src
index 0198bdd..ca9e3ed 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/mautrix/signal/archive/refs/tags/v0.4.1.tar.gz
-SOURCE_SUM=ad2d810d2a81d5bee57549de09e8fd4a045913e14009115379e5acc036a0f120
+SOURCE_URL=https://github.com/mautrix/signal/archive/refs/tags/v0.4.2.tar.gz
+SOURCE_SUM=bd6c537b2dae759b13ad2acdc49e76f6b9b14ce6c7f234aa6f8f7966293a1a87
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index b61874d..56a6de4 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Matrix / Synapse puppeting bridge for Signal",
         "fr": "Passerelle Matrix / Synapse pour Signal"
     },
-    "version": "0.4.1~ynh1",
+    "version": "0.4.2~ynh1",
     "url": "https://github.com/mautrix/signal",
     "upstream": {
         "license": "AGPL-3.0-or-later",