diff --git a/matrix-synapse@1.129.0/flake.lock b/matrix-synapse@1.129.0/flake.lock
index a07267e..be257e5 100644
--- a/matrix-synapse@1.129.0/flake.lock
+++ b/matrix-synapse@1.129.0/flake.lock
@@ -2,17 +2,17 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1746770286,
-        "narHash": "sha256-Y9s4o1rQlKuaYj4YxKlP7E2/e+FZaV5IjbSxxnF/Nxo=",
-        "owner": "NixOS",
+        "lastModified": 1779622335,
+        "narHash": "sha256-ViA62qtL5za7V3d5I8OA9q9JcFhsVAiL5jVHwEclWqk=",
+        "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "907e98d6cc08e3261b63e3f8d2831841817b0041",
+        "rev": "705e9929918b43bd7b715dc0a878ac870449bb03",
         "type": "github"
       },
       "original": {
-        "owner": "NixOS",
+        "owner": "nixos",
+        "ref": "nixos-26.05",
         "repo": "nixpkgs",
-        "rev": "907e98d6cc08e3261b63e3f8d2831841817b0041",
         "type": "github"
       }
     },
diff --git a/matrix-synapse@1.129.0/flake.nix b/matrix-synapse@1.129.0/flake.nix
index 87f2eba..2247e30 100644
--- a/matrix-synapse@1.129.0/flake.nix
+++ b/matrix-synapse@1.129.0/flake.nix
@@ -1,7 +1,7 @@
 {
   description = "matrix-synapse 1.129.0";
 
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/907e98d6cc08e3261b63e3f8d2831841817b0041";
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-26.05";
 
   outputs =
     { nixpkgs, ... }:
diff --git a/matrix-synapse@1.152.0/flake.lock b/matrix-synapse@1.152.0/flake.lock
index 6ef5197..be257e5 100644
--- a/matrix-synapse@1.152.0/flake.lock
+++ b/matrix-synapse@1.152.0/flake.lock
@@ -2,17 +2,17 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1777644767,
-        "narHash": "sha256-1C/B748L21Mk6VfWiipeKNisU8ZsvnIpVHa8656TygU=",
-        "owner": "NixOS",
+        "lastModified": 1779622335,
+        "narHash": "sha256-ViA62qtL5za7V3d5I8OA9q9JcFhsVAiL5jVHwEclWqk=",
+        "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "e9524e88eb4377a95c45291e89c8fdfc4030e143",
+        "rev": "705e9929918b43bd7b715dc0a878ac870449bb03",
         "type": "github"
       },
       "original": {
-        "owner": "NixOS",
+        "owner": "nixos",
+        "ref": "nixos-26.05",
         "repo": "nixpkgs",
-        "rev": "e9524e88eb4377a95c45291e89c8fdfc4030e143",
         "type": "github"
       }
     },
diff --git a/matrix-synapse@1.152.0/flake.nix b/matrix-synapse@1.152.0/flake.nix
index 6d0a819..c9d70f7 100644
--- a/matrix-synapse@1.152.0/flake.nix
+++ b/matrix-synapse@1.152.0/flake.nix
@@ -1,7 +1,7 @@
 {
   description = "matrix-synapse 1.152.0";
 
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/e9524e88eb4377a95c45291e89c8fdfc4030e143";
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-26.05";
 
   outputs =
     { nixpkgs, ... }: