diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index fb5b53a..0fe090d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -23,6 +23,11 @@ jobs:
           node-version-file: .nvmrc
           cache: npm
 
+      - name: Install Pixi
+        run: |
+          curl -fsSL https://pixi.sh/install.sh | sh
+          echo "$HOME/.pixi/bin" >> "$GITHUB_PATH"
+
       - name: Install dependencies
         run: npm ci
 
diff --git a/.gitignore b/.gitignore
index 0b60dfa..8466251 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,7 @@ dist
 node_modules
 .vscode-test/
 *.vsix
+
+# Pixi environments in test fixtures and projects
+**/.pixi/*
+!**/.pixi/config.toml
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..678d79a
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1 @@
+**/pixi.lock
diff --git a/.vscodeignore b/.vscodeignore
index 98449b5..d1108c6 100644
--- a/.vscodeignore
+++ b/.vscodeignore
@@ -1,6 +1,8 @@
 **/.github/
 .vscode/**
 .vscode-test/**
+test/**
+**/.pixi/**
 out/**
 node_modules/**
 src/**
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1648c0f..750fd9f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -8,7 +8,7 @@ Code extension that integrates Pixi environments with the Python Environments ex
 1. **Prerequisites**
     - Node.js 20+
     - VS Code with the Python Environments extension installed
-    - Pixi installed on your system
+    - [Pixi](https://pixi.prefix.dev/latest/installation/) installed on your system
 
 2. **Clone and setup**
 
diff --git a/package.json b/package.json
index 144e63f..cba6aa3 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     },
     "lint-staged": {
         "src/**/*.ts": "eslint --fix",
-        "*.{ts,js,mjs,cjs,json,md,yml,yaml}": "prettier --write"
+        "*": "prettier --write --ignore-unknown"
     },
     "devDependencies": {
         "@types/fs-extra": "^11.0.4",
diff --git a/test/fixtures/pixi-project/.gitignore b/test/fixtures/pixi-project/.gitignore
deleted file mode 100644
index ae849e6..0000000
--- a/test/fixtures/pixi-project/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-# pixi environments
-.pixi/*
-!.pixi/config.toml