diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 119f7cf..4300cb2 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -18,12 +18,12 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Setup python env
-        uses: actions/setup-python@v6
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
-          cache: `pip`
-        run: pip install -r requirements.txt
+          cache: 'pip'
+
+      - run: pip install -r requirements.txt
 
       - name: Set up Quarto
         uses: quarto-dev/quarto-actions/setup@v2
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..aef794c
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,58 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1783915482,
+        "narHash": "sha256-w9ktuEgDIWGsX58tR3nI5HBGNy1idO8KY4urO3msko0=",
+        "rev": "6cdc7fc76e8bf7fde9fa43a849fcaaa70e230dee",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1033616.6cdc7fc76e8b/nixexprs.tar.xz"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..fb72fe9
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,5 @@
+numpy
+pandas
+matplotlib
+jupyter
+jupyter-cache