diff --git a/pkgs/servers/mastodon/gemset.nix b/pkgs/servers/mastodon/gemset.nix
index 7279f61bac72..e888bfe750bb 100644
--- a/pkgs/servers/mastodon/gemset.nix
+++ b/pkgs/servers/mastodon/gemset.nix
@@ -1891,13 +1891,11 @@
     groups = ["default"];
     platforms = [];
     source = {
-      fetchSubmodules = false;
-      rev = "e020fcc3a54d993ab45b7194d89ab720296c111b";
-      sha256 = "18pbm9qkancy38v0gpb6f5k0xd8r347jl4xvj4jn98ihfhzgwygj";
-      type = "git";
-      url = "https://github.com/jhawthorn/nsa.git";
+      remotes = ["https://rubygems.org"];
+      sha256 = "1narh0bj0c9pg8cb2jhpydfa9mnm3dclckzk5s6xrwa2gm99hnk4";
+      type = "gem";
     };
-    version = "0.2.8";
+    version = "0.3.0";
   };
   oj = {
     groups = ["default"];
@@ -2065,10 +2063,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0pfj771p5a29yyyw58qacks464sl86d5m3jxjl5rlqqw2m3v5xq4";
+      sha256 = "0s4vskbydg5k0z86v2g5drf03lslkr4b1l421vz29531jlrsljvy";
       type = "gem";
     };
-    version = "1.5.4";
+    version = "1.5.5";
   };
   pghero = {
     dependencies = ["activerecord"];
diff --git a/pkgs/servers/mastodon/source.nix b/pkgs/servers/mastodon/source.nix
index bb1a11ac7e60..4036b5b48135 100644
--- a/pkgs/servers/mastodon/source.nix
+++ b/pkgs/servers/mastodon/source.nix
@@ -1,7 +1,7 @@
 # This file was generated by pkgs.mastodon.updateScript.
 { fetchFromGitHub, applyPatches, patches ? [] }:
 let
-  version = "4.2.6";
+  version = "4.2.7";
 in
 (
   applyPatches {
@@ -9,7 +9,7 @@ in
       owner = "mastodon";
       repo = "mastodon";
       rev = "v${version}";
-      hash = "sha256-xUJiyQN3xsl/8+D/kaky+iYunY0ctlSbjkftN2+NQNw=";
+      hash = "sha256-lz1HMg/B6BOqGxypzDTTO5yY7C5B6QRNIpRnDZW2eGs=";
     };
     patches = patches ++ [];
   }) // {