diff --git a/flake.lock b/flake.lock
index 158a0ef7..42d4f808 100644
--- a/flake.lock
+++ b/flake.lock
@@ -45,9 +45,9 @@
     },
     "deno2nix": {
       "inputs": {
-        "devshell": "devshell_2",
+        "devshell": "devshell_3",
         "flake-compat": "flake-compat_2",
-        "flake-utils": "flake-utils_3",
+        "flake-utils": "flake-utils_4",
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
@@ -111,6 +111,31 @@
       }
     },
     "devshell_2": {
+      "inputs": {
+        "flake-utils": [
+          "keycloak-theme-pub-solar",
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "keycloak-theme-pub-solar",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1667210711,
+        "narHash": "sha256-IoErjXZAkzYWHEpQqwu/DeRNJGFdR7X2OGbkhMqMrpw=",
+        "owner": "numtide",
+        "repo": "devshell",
+        "rev": "96a9dd12b8a447840cc246e17a47b81a4268bba7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "devshell",
+        "type": "github"
+      }
+    },
+    "devshell_3": {
       "inputs": {
         "nixpkgs": [
           "scan2paperless",
@@ -133,7 +158,7 @@
         "type": "github"
       }
     },
-    "devshell_3": {
+    "devshell_4": {
       "inputs": {
         "nixpkgs": [
           "scan2paperless",
@@ -280,6 +305,21 @@
       }
     },
     "flake-utils_3": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_4": {
       "inputs": {
         "systems": "systems_2"
       },
@@ -297,7 +337,7 @@
         "type": "github"
       }
     },
-    "flake-utils_4": {
+    "flake-utils_5": {
       "inputs": {
         "systems": "systems_4"
       },
@@ -336,25 +376,27 @@
         "type": "github"
       }
     },
-    "home-manager": {
+    "keycloak-theme-pub-solar": {
       "inputs": {
+        "devshell": "devshell_2",
+        "flake-utils": "flake-utils_3",
         "nixpkgs": [
-          "agenix",
-          "nixpkgs"
+          "nixos"
         ]
       },
       "locked": {
-        "lastModified": 1682203081,
-        "narHash": "sha256-kRL4ejWDhi0zph/FpebFYhzqlOBrk0Pl3dzGEKSAlEw=",
-        "owner": "nix-community",
-        "repo": "home-manager",
-        "rev": "32d3e39c491e2f91152c84f8ad8b003420eab0a1",
-        "type": "github"
+        "lastModified": 1669645736,
+        "narHash": "sha256-u1yK1fyh1UEX3BITfk6ROenWbP3aznZRplwCE+FVtHE=",
+        "ref": "main",
+        "rev": "b488fe24a27bf76e0b777202bf13a68660121305",
+        "revCount": 17,
+        "type": "git",
+        "url": "https://git.pub.solar/pub-solar/keycloak-theme"
       },
       "original": {
-        "owner": "nix-community",
-        "repo": "home-manager",
-        "type": "github"
+        "ref": "main",
+        "type": "git",
+        "url": "https://git.pub.solar/pub-solar/keycloak-theme"
       }
     },
     "latest": {
@@ -542,6 +584,7 @@
         "digga": "digga",
         "flake-compat": "flake-compat",
         "home": "home",
+        "keycloak-theme-pub-solar": "keycloak-theme-pub-solar",
         "latest": "latest",
         "master": "master",
         "nixos": "nixos",
@@ -554,8 +597,8 @@
     "scan2paperless": {
       "inputs": {
         "deno2nix": "deno2nix",
-        "devshell": "devshell_3",
-        "flake-utils": "flake-utils_4",
+        "devshell": "devshell_4",
+        "flake-utils": "flake-utils_5",
         "nixpkgs": "nixpkgs_3"
       },
       "locked": {
diff --git a/flake.nix b/flake.nix
index c514ab90..7a9f725d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -37,6 +37,9 @@
 
     nixos-generators.url = "github:nix-community/nixos-generators";
 
+    keycloak-theme-pub-solar.url = "git+https://git.pub.solar/pub-solar/keycloak-theme?ref=main";
+    keycloak-theme-pub-solar.inputs.nixpkgs.follows = "nixos";
+
     master.url = "github:nixos/nixpkgs/master";
     pub-solar.url = "github:pub-solar/nixpkgs/fix/use-latest-unstable-yubikey-agent";
     scan2paperless.url = "git+https://git.pub.solar/b12f/scan2paperless.git";