diff --git a/flake.lock b/flake.lock
index bf3732ca..921a3b68 100644
--- a/flake.lock
+++ b/flake.lock
@@ -10,14 +10,15 @@
         ],
         "nixpkgs": [
           "nixpkgs"
-        ]
+        ],
+        "systems": "systems"
       },
       "locked": {
-        "lastModified": 1701216516,
-        "narHash": "sha256-jKSeJn+7hZ1dZdiH1L+NWUGT2i/BGomKAJ54B9kT06Q=",
+        "lastModified": 1703433843,
+        "narHash": "sha256-nmtA4KqFboWxxoOAA6Y1okHbZh+HsXaMPFkYHsoDRDw=",
         "owner": "ryantm",
         "repo": "agenix",
-        "rev": "13ac9ac6d68b9a0896e3d43a082947233189e247",
+        "rev": "417caa847f9383e111d1397039c9d4337d024bf0",
         "type": "github"
       },
       "original": {
@@ -35,11 +36,11 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1702460489,
-        "narHash": "sha256-H6s6oVLvx7PCjUcvfkB89Bb+kbaiJxTAgWfMjiQTjA0=",
+        "lastModified": 1703087360,
+        "narHash": "sha256-0VUbWBW8VyiDRuimMuLsEO4elGuUw/nc2WDeuO1eN1M=",
         "owner": "serokell",
         "repo": "deploy-rs",
-        "rev": "915327515f5fd1b7719c06e2f1eb304ee0bdd803",
+        "rev": "b709d63debafce9f5645a5ba550c9e0983b3d1f7",
         "type": "github"
       },
       "original": {
@@ -54,7 +55,7 @@
           "keycloak-theme-pub-solar",
           "nixpkgs"
         ],
-        "systems": "systems_2"
+        "systems": "systems_3"
       },
       "locked": {
         "lastModified": 1688380630,
@@ -123,7 +124,7 @@
     },
     "flake-utils": {
       "inputs": {
-        "systems": "systems_3"
+        "systems": "systems_4"
       },
       "locked": {
         "lastModified": 1689068808,
@@ -161,11 +162,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1702814678,
-        "narHash": "sha256-zDtO0jV2QLoddUJinLlTQrQqCUW3dPiIWOSYgg98T7E=",
+        "lastModified": 1703367386,
+        "narHash": "sha256-FMbm48UGrBfOWGt8+opuS+uLBLQlRfhiYXhHNcYMS5k=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "1488651d02c1a7a15e284210f0d380a62d8d8cef",
+        "rev": "d5824a76bc6bb93d1dce9ebbbcb09a9b6abcc224",
         "type": "github"
       },
       "original": {
@@ -205,11 +206,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1700795494,
-        "narHash": "sha256-gzGLZSiOhf155FW7262kdHo2YDeugp3VuIFb4/GGng0=",
+        "lastModified": 1703649338,
+        "narHash": "sha256-n2MkBotGgTQsfB+wH09R+otBwYCvGCsnHX7eUMGkKL0=",
         "owner": "lnl7",
         "repo": "nix-darwin",
-        "rev": "4b9b83d5a92e8c1fbfd8eb27eda375908c11ec4d",
+        "rev": "8a8321271f0835fae2cb195e1137cb381fdbcc8e",
         "type": "github"
       },
       "original": {
@@ -236,11 +237,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1702780907,
-        "narHash": "sha256-blbrBBXjjZt6OKTcYX1jpe9SRof2P9ZYWPzq22tzXAA=",
+        "lastModified": 1703467016,
+        "narHash": "sha256-/5A/dNPhbQx/Oa2d+Get174eNI3LERQ7u6WTWOlR1eQ=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "1e2e384c5b7c50dbf8e9c441a9e58d85f408b01f",
+        "rev": "d02d818f22c777aa4e854efc3242ec451e5d462a",
         "type": "github"
       },
       "original": {
@@ -345,6 +346,21 @@
         "type": "github"
       }
     },
+    "systems_4": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "triton-vmtools": {
       "inputs": {
         "flake-utils": "flake-utils_2",
@@ -371,11 +387,11 @@
     },
     "unstable": {
       "locked": {
-        "lastModified": 1702312524,
-        "narHash": "sha256-gkZJRDBUCpTPBvQk25G0B7vfbpEYM5s5OZqghkjZsnE=",
+        "lastModified": 1703438236,
+        "narHash": "sha256-aqVBq1u09yFhL7bj1/xyUeJjzr92fXVvQSSEx6AdB1M=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "a9bf124c46ef298113270b1f84a164865987a91c",
+        "rev": "5f64a12a728902226210bf01d25ec6cbb9d9265b",
         "type": "github"
       },
       "original": {
@@ -387,7 +403,7 @@
     },
     "utils": {
       "inputs": {
-        "systems": "systems"
+        "systems": "systems_2"
       },
       "locked": {
         "lastModified": 1701680307,
diff --git a/hosts/nachtigall/apps/nextcloud.nix b/hosts/nachtigall/apps/nextcloud.nix
index d33775e0..7a026f86 100644
--- a/hosts/nachtigall/apps/nextcloud.nix
+++ b/hosts/nachtigall/apps/nextcloud.nix
@@ -27,7 +27,7 @@
     home = "/var/lib/nextcloud";
 
     enable = true;
-    package = pkgs.nextcloud27;
+    package = pkgs.nextcloud28;
     https = true;
     secretFile = config.age.secrets."nextcloud-secrets".path; # secret
     maxUploadSize = "1G";