diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 14f897c..1ed65c2 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -5,15 +5,12 @@ on: [push]
 jobs:
   run-ci-linux:
     runs-on: ubuntu-latest
-    env:
-      TYPST_INSTALL: /usr/local
-      TYPST_VERSION: 0.11.1
     steps:
       - name: Check out repository code
         uses: actions/checkout@v3
-      - name: Install Typst CLI
-        run: curl -fsSL https://typst.community/typst-install/install.sh | sh -s "$TYPST_VERSION"
-      - name: Set up Python 3
-        run: apt update -y && apt install python3-pip -y
+      - name: Setup Nix Shell
+      - uses: cachix/install-nix-action@v18
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
       - name: Run CI
-        run: bash -c ./run-ci.sh
+        run: nix-shell --run ./run-ci.sh
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..61ee97a
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,13 @@
+let
+  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-24.05";
+  pkgs = import nixpkgs { config = {}; overlays = []; };
+in
+
+pkgs.mkShellNoCC {
+  packages = with pkgs; [
+    python312
+    python312Packages.pyyaml
+    typst
+    typstyle
+  ];
+}