diff --git a/conf/app.src b/conf/app.src
index 4b8b457..48084fa 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/tootsuite/mastodon/archive/refs/tags/v4.2.5.tar.gz
-SOURCE_SUM=7d7b03d2500fc4146a9849a5569a1f5ca9ae8d8a0c1e52c9c72a323a245ce8ce
+SOURCE_URL=https://github.com/tootsuite/mastodon/archive/refs/tags/v4.2.6.tar.gz
+SOURCE_SUM=17ec59b2e984dc61e2d440a1d32caed7ad5b0b969701ad777932797b9920e53f
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true