diff --git a/config/hosts/mastodon/mastodon.nix b/config/hosts/mastodon/mastodon.nix
index 56cdd00..e636bef 100644
--- a/config/hosts/mastodon/mastodon.nix
+++ b/config/hosts/mastodon/mastodon.nix
@@ -1,4 +1,4 @@
-{ pkgs, nixpkgs-unstable, ... }:
+{ pkgs, nixpkgs-unstable, nixpkgs-master, ... }:
 let
   tangerineUI = pkgs.fetchgit {
     url = "https://github.com/nileane/TangerineUI-for-Mastodon.git";
@@ -16,14 +16,14 @@ let
   };
   mastodonNekoverseOverlay = final: prev: {
     mastodon = (prev.mastodon.override rec {
-      version = "4.5.9";
+      version = "4.5.10";
       srcOverride = final.applyPatches {
         src = pkgs.stdenv.mkDerivation {
           name = "mastodonWithThemes";
           src = pkgs.fetchgit {
             url = "https://github.com/mastodon/mastodon.git";
             rev = "v${version}";
-            sha256 = "sha256-EXMJWdcuvQWe2cXONlcN/oB4b0nXwDqRT+miIB7P7js=";
+            sha256 = "sha256-aW5WMmhfV+q/ddebSuEuCL5Mdwav+qocMPBnbvXFBk4=";
           };
           # mastodon ships with broken symlinks, disable the check for that for now
           dontCheckForBrokenSymlinks = true;
@@ -53,7 +53,7 @@ let
       yarnMissingHashes = prev.mastodon.src.yarnMissingHashes;
     });
   };
-  pkgs-overlay = pkgs.extend mastodonNekoverseOverlay;
+  pkgs-overlay = nixpkgs-master.legacyPackages."x86_64-linux".extend mastodonNekoverseOverlay;
   vapidPublicKey = pkgs.writeText "vapid-public-key" "BDCbFEDCZ8eFuWr3uEq4Qc30UFZUQeNpF8OCw6OjPwAtaKS1yTM3Ue749Xjqy5WhBDjakzlixh4Gk7gluUhIdsU=";
 in
 {
diff --git a/flake.lock b/flake.lock
index 548d0bc..e0a270b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -118,11 +118,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1778947228,
-        "narHash": "sha256-z1PIyRIm5nlh6sB4I4ObT42O6IT5zuFzQK0RtvRoL/c=",
+        "lastModified": 1779243744,
+        "narHash": "sha256-hwD5/IbAs5FTdg7R2VPWlVsAwrVDmILa+w8gj4U3HQQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ff5e747c5f45865599ba7387244212420558e83c",
+        "rev": "7f04f29e010fdf57851461605322d7c2b95f9f15",
         "type": "github"
       },
       "original": {
@@ -134,11 +134,11 @@
     },
     "nixpkgs-master": {
       "locked": {
-        "lastModified": 1778973839,
-        "narHash": "sha256-gnglqTdKUK1UlKfq+ZRXmxWW+MRhbpOi3DzjTp2zqRU=",
+        "lastModified": 1779287632,
+        "narHash": "sha256-AMcWQ3mQUrdeXiJaCHXYh+c5tBI3lTsbymEUXPRegdo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b6aac1076920329e7863e9fb607d4d1811ea16f3",
+        "rev": "22dcc7e4821c231607aacd682b035f29fabc2f8f",
         "type": "github"
       },
       "original": {
@@ -150,11 +150,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1778930970,
-        "narHash": "sha256-FqqcYr0c5in/HRL5bkRWykAGp/Q10Vj/zUiSr1P8URE=",
+        "lastModified": 1779273561,
+        "narHash": "sha256-O3UFKrh5oDyOwqD4Njdf7+SIxptOl3gHZyesYvNsIbw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5a51fe22e18a6ce886b3cffa4c255378c151323c",
+        "rev": "8e72e9888e67ce593df16546cd31e0d75544ad0d",
         "type": "github"
       },
       "original": {