diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000..7212f3c7
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,17 @@
+name: "Check"
+on:
+  pull_request:
+# cancel previous runs when pushing new changes
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+jobs:
+  checks:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: cachix/install-nix-action@v22
+      with:
+        extra_nix_config: "system-features = kvm nixos-test"
+    - run: nix flake check -L --keep-going
+    - run: nix flake check -L --keep-going ./example
diff --git a/.gitignore b/.gitignore
index 0309149a..7c9dbce9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
-/example/result
+result-*
+result
+.direnv
diff --git a/example/flake.nix b/example/flake.nix
index 159e67f9..6be26169 100644
--- a/example/flake.nix
+++ b/example/flake.nix
@@ -2,9 +2,9 @@
   description = "Plasma Manager Example";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
 
-    home-manager.url = "github:nix-community/home-manager/release-22.05";
+    home-manager.url = "github:nix-community/home-manager/release-23.11";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
 
     plasma-manager.url = "github:pjones/plasma-manager";
diff --git a/flake.lock b/flake.lock
index 09768945..af915a56 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,32 +7,32 @@
         ]
       },
       "locked": {
-        "lastModified": 1667907331,
-        "narHash": "sha256-bHkAwkYlBjkupPUFcQjimNS8gxWSWjOTevEuwdnp5m0=",
+        "lastModified": 1706981411,
+        "narHash": "sha256-cLbLPTL1CDmETVh4p0nQtvoF+FSEjsnJTFpTxhXywhQ=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "6639e3a837fc5deb6f99554072789724997bc8e5",
+        "rev": "652fda4ca6dafeb090943422c34ae9145787af37",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "release-22.05",
+        "ref": "release-23.11",
         "repo": "home-manager",
         "type": "github"
       }
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1685573264,
-        "narHash": "sha256-Zffu01pONhs/pqH07cjlF10NnMDLok8ix5Uk4rhOnZQ=",
+        "lastModified": 1708294118,
+        "narHash": "sha256-evZzmLW7qoHXf76VCepvun1esZDxHfVRFUJtumD7L2M=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "380be19fbd2d9079f677978361792cb25e8a3635",
+        "rev": "e0da498ad77ac8909a980f07eff060862417ccf7",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-22.05",
+        "ref": "nixos-23.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 9a0f0cde..49bb7a32 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,9 +2,9 @@
   description = "Manage KDE Plasma with Home Manager";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
 
-    home-manager.url = "github:nix-community/home-manager/release-22.05";
+    home-manager.url = "github:nix-community/home-manager/release-23.11";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
   };