diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
new file mode 100644
index 0000000..3c9953c
--- /dev/null
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -0,0 +1,21 @@
+name: Copilot Setup Steps
+
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - .github/workflows/copilot-setup-steps.yml
+  pull_request:
+    paths:
+      - .github/workflows/copilot-setup-steps.yml
+
+jobs:
+  copilot-setup-steps:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v19
+      - name: Verify Nix
+        run: nix --version
diff --git a/flake.nix b/flake.nix
index c25466d..851a430 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,20 +21,20 @@
           pkgs = import nixpkgs { inherit system; };
           sources = {
             "x86_64-linux" = {
-              url = "https://github.com/can1357/oh-my-pi/releases/download/v15.3.2/omp-linux-x64";
-              sha256 = "sha256-xhApp+07G4Cy5fe//A8Hp1GiSOWxV07RuWLH9acx8Hw=";
+              url = "https://github.com/can1357/oh-my-pi/releases/download/v15.5.12/omp-linux-x64";
+              sha256 = "sha256-feKqv68rm7G8TQCngBUYUbqZgkXJnsS2AcRRGsHqsr0=";
             };
             "aarch64-linux" = {
-              url = "https://github.com/can1357/oh-my-pi/releases/download/v15.3.2/omp-linux-arm64";
-              sha256 = "sha256-lOuk67VqzLG0kSoi6tAIslbFtHgFNyhRgV3x1bEoh3E=";
+              url = "https://github.com/can1357/oh-my-pi/releases/download/v15.5.12/omp-linux-arm64";
+              sha256 = "sha256-a+i0EWKu9bEm7ogKsLeoGS4YCdTVMVV/ybD3gCHR5ok=";
             };
             "x86_64-darwin" = {
-              url = "https://github.com/can1357/oh-my-pi/releases/download/v15.3.2/omp-darwin-x64";
-              sha256 = "sha256-UBEdtlgKkzZ/aan+Or6STVryY8itATsVzzEd7eA1e0A=";
+              url = "https://github.com/can1357/oh-my-pi/releases/download/v15.5.12/omp-darwin-x64";
+              sha256 = "sha256-7BAlLx+mjnVE2VxW04S/Oy5ckZZLsh8Q4RxI0oEIQ0E=";
             };
             "aarch64-darwin" = {
-              url = "https://github.com/can1357/oh-my-pi/releases/download/v15.3.2/omp-darwin-arm64";
-              sha256 = "sha256-1SdwKay64jhWm/9GVQlVD1qmx4LF+J+WT/Bkr3Wmylo=";
+              url = "https://github.com/can1357/oh-my-pi/releases/download/v15.5.12/omp-darwin-arm64";
+              sha256 = "sha256-BZHsn+Wp0qVnVShean/1T+xGsVXWdZsFpPLYtFLq+zw=";
             };
           };
           srcInfo = sources.${system} or (throw "Unsupported system: ${system}");
@@ -42,7 +42,7 @@
         {
           default = pkgs.stdenv.mkDerivation {
             pname = "oh-my-pi";
-            version = "15.3.2";
+            version = "15.5.12";
 
             src = pkgs.fetchurl {
               inherit (srcInfo) url sha256;