diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 69e7f32..cd3c514 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,20 +27,17 @@ jobs:
     timeout-minutes: 10
     permissions:
       contents: read
+    defaults:
+      run:
+        shell: nix develop --command bash -eo pipefail {0}
     steps:
       - name: Checkout repository
         uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
         with:
           persist-credentials: false
 
-      - name: Setup pnpm
-        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
-
-      - name: Setup Node.js
-        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6.5.0
-        with:
-          node-version: 22.23.3
-          cache: pnpm
+      - name: Setup Nix
+        uses: furedea/reusable-workflows/.github/actions/nix-setup@2ae953294b9a805d0705657adc1d9d4f1bc1f646 # v1.3.0
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
@@ -53,20 +50,19 @@ jobs:
     timeout-minutes: 10
     permissions:
       contents: read
+    defaults:
+      run:
+        shell: nix develop --command bash -eo pipefail {0}
     steps:
       - name: Checkout repository
         uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
         with:
           persist-credentials: false
 
-      - name: Setup pnpm
-        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
-
-      - name: Setup Node.js
-        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6.5.0
+      - name: Setup Nix
+        uses: furedea/reusable-workflows/.github/actions/nix-setup@2ae953294b9a805d0705657adc1d9d4f1bc1f646 # v1.3.0
         with:
-          node-version: 22.23.3
-          cache: pnpm
+          save: false
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
@@ -79,20 +75,19 @@ jobs:
     timeout-minutes: 10
     permissions:
       contents: read
+    defaults:
+      run:
+        shell: nix develop --command bash -eo pipefail {0}
     steps:
       - name: Checkout repository
         uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
         with:
           persist-credentials: false
 
-      - name: Setup pnpm
-        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
-
-      - name: Setup Node.js
-        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6.5.0
+      - name: Setup Nix
+        uses: furedea/reusable-workflows/.github/actions/nix-setup@2ae953294b9a805d0705657adc1d9d4f1bc1f646 # v1.3.0
         with:
-          node-version: 22.23.3
-          cache: pnpm
+          save: false
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
@@ -105,20 +100,19 @@ jobs:
     timeout-minutes: 10
     permissions:
       contents: read
+    defaults:
+      run:
+        shell: nix develop --command bash -eo pipefail {0}
     steps:
       - name: Checkout repository
         uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
         with:
           persist-credentials: false
 
-      - name: Setup pnpm
-        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
-
-      - name: Setup Node.js
-        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6.5.0
+      - name: Setup Nix
+        uses: furedea/reusable-workflows/.github/actions/nix-setup@2ae953294b9a805d0705657adc1d9d4f1bc1f646 # v1.3.0
         with:
-          node-version: 22.23.3
-          cache: pnpm
+          save: false
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
@@ -131,20 +125,19 @@ jobs:
     timeout-minutes: 10
     permissions:
       contents: read
+    defaults:
+      run:
+        shell: nix develop --command bash -eo pipefail {0}
     steps:
       - name: Checkout repository
         uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
         with:
           persist-credentials: false
 
-      - name: Setup pnpm
-        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
-
-      - name: Setup Node.js
-        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6.5.0
+      - name: Setup Nix
+        uses: furedea/reusable-workflows/.github/actions/nix-setup@2ae953294b9a805d0705657adc1d9d4f1bc1f646 # v1.3.0
         with:
-          node-version: 22.23.3
-          cache: pnpm
+          save: false
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
diff --git a/flake.nix b/flake.nix
index 25d8ea4..da7eaf9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -9,22 +9,33 @@
   outputs =
     { nixpkgs, nixpkgs-unstable, ... }:
     let
-      system = "aarch64-darwin";
-      pkgs = import nixpkgs { inherit system; };
+      systems = [
+        "aarch64-darwin"
+        "x86_64-linux"
+      ];
+      forAllSystems = nixpkgs.lib.genAttrs systems;
     in
     {
-      devShells.${system}.default = pkgs.mkShell {
-        packages = with pkgs; [
-          commitlint
-          deadnix
-          # lefthook before 2.1.6 runs hooks under a pty, which agent sandboxes deny.
-          nixpkgs-unstable.legacyPackages.${system}.lefthook
-          ls-lint
-          nixfmt
-          nodejs_24
-          pnpm
-          statix
-        ];
-      };
+      devShells = forAllSystems (
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+        in
+        {
+          default = pkgs.mkShell {
+            packages = with pkgs; [
+              commitlint
+              deadnix
+              # lefthook before 2.1.6 runs hooks under a pty, which agent sandboxes deny.
+              nixpkgs-unstable.legacyPackages.${system}.lefthook
+              ls-lint
+              nixfmt
+              nodejs_24
+              pnpm
+              statix
+            ];
+          };
+        }
+      );
     };
 }