diff --git a/pkgs/servers/mastodon/source.nix b/pkgs/servers/mastodon/source.nix
index c203852a76d1..db090f192740 100644
--- a/pkgs/servers/mastodon/source.nix
+++ b/pkgs/servers/mastodon/source.nix
@@ -3,8 +3,8 @@
   src = fetchFromGitHub {
     owner = "mastodon";
     repo = "mastodon";
-    rev = "v4.1.8";
-    hash = "sha256-L4ikr270hXpTgh9DAyN9c5wzj/93urulcG9bTxwNOFw=";
+    rev = "v4.1.9";
+    hash = "sha256-xpE/mg2AeioW6NThUjLS+SBxGavG4w1xtp3BOMADfYo=";
   };
 in applyPatches {
   inherit src;
diff --git a/pkgs/servers/mastodon/version.nix b/pkgs/servers/mastodon/version.nix
index a7c64b1833f5..2647b9c70ad8 100644
--- a/pkgs/servers/mastodon/version.nix
+++ b/pkgs/servers/mastodon/version.nix
@@ -1 +1 @@
-"4.1.8"
+"4.1.9"