diff --git a/pkgs/servers/mastodon/source.nix b/pkgs/servers/mastodon/source.nix
index a83b99514390..58563cc2a07a 100644
--- a/pkgs/servers/mastodon/source.nix
+++ b/pkgs/servers/mastodon/source.nix
@@ -5,14 +5,14 @@
   patches ? [ ],
 }:
 let
-  version = "4.3.6";
+  version = "4.3.7";
 in
 (applyPatches {
   src = fetchFromGitHub {
     owner = "mastodon";
     repo = "mastodon";
     rev = "v${version}";
-    hash = "sha256-cTJmSrQ+xlDfrAyHKeiIvrUOgAh9DQT2NNizN8XT3P0=";
+    hash = "sha256-KmeWBMuyJ/ZdZnFXAlpvgXV+J8IZrcaTXvvui4l6mjY=";
   };
   patches = patches ++ [ ];
 })