diff --git a/.devcontainer/dev-with-python/devcontainer.json b/.devcontainer/dev-with-python/devcontainer.json
index c4521197f8..e954d107a9 100644
--- a/.devcontainer/dev-with-python/devcontainer.json
+++ b/.devcontainer/dev-with-python/devcontainer.json
@@ -33,7 +33,7 @@
 
     "mounts": ["source=${localWorkspaceFolder},target=/workspaces/local,type=bind,consistency=cached"],
     // Use 'postCreateCommand' to run commands after the container is created.
-    // "postCreateCommand": "npm ci",
+    // "postCreateCommand": "npm install",
     // Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
     "remoteUser": "vscode"
 }
diff --git a/.devcontainer/dev/devcontainer.json b/.devcontainer/dev/devcontainer.json
index b6604a3267..b9973f6fcf 100644
--- a/.devcontainer/dev/devcontainer.json
+++ b/.devcontainer/dev/devcontainer.json
@@ -19,7 +19,7 @@
     },
     "mounts": ["source=${localWorkspaceFolder},target=/workspaces/local,type=bind,consistency=cached"]
     // Use 'postCreateCommand' to run commands after the container is created.
-    // "postCreateCommand": "npm ci",
+    // "postCreateCommand": "npm install",
     // Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
     // , "remoteUser": "vscode"
 }
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b66b64164c..f1d831af5f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,9 +7,6 @@ on:
     branches: [main]
   workflow_dispatch:
 
-env:
-  NODE_VERSION: 22.x
-
 permissions:
   actions: read
   contents: read
@@ -32,7 +29,7 @@ jobs:
         uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
         with:
           cache: 'npm'
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: '.nvmrc'
           registry-url: 'https://npm.pkg.github.com'
           scope: '@deepnote'
 
@@ -59,7 +56,7 @@ jobs:
         uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
         with:
           cache: 'npm'
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: '.nvmrc'
           registry-url: 'https://npm.pkg.github.com'
           scope: '@deepnote'
 
@@ -107,7 +104,7 @@ jobs:
         uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
         with:
           cache: 'npm'
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: '.nvmrc'
           registry-url: 'https://npm.pkg.github.com'
           scope: '@deepnote'
 
@@ -157,7 +154,7 @@ jobs:
         uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
         with:
           cache: 'npm'
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: '.nvmrc'
           registry-url: 'https://npm.pkg.github.com'
           scope: '@deepnote'
 
@@ -181,7 +178,7 @@ jobs:
         uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
         with:
           cache: 'npm'
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: '.nvmrc'
           registry-url: 'https://npm.pkg.github.com'
           scope: '@deepnote'
 
@@ -205,7 +202,7 @@ jobs:
         uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
         with:
           cache: 'npm'
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: '.nvmrc'
           registry-url: 'https://npm.pkg.github.com'
           scope: '@deepnote'
 
@@ -229,7 +226,7 @@ jobs:
         uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
         with:
           cache: 'npm'
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: '.nvmrc'
           registry-url: 'https://npm.pkg.github.com'
           scope: '@deepnote'
 
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index 281d2a5c9c..88ef3d80d0 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -12,7 +12,6 @@ on:
       - .github/workflows/copilot-setup-steps.yml
 
 env:
-  NODE_VERSION: 22.15.1
   NPM_VERSION: 10.9.2
   PYTHON_VERSION: 3.12
   DENO_VERSION: '~1.37'
@@ -42,7 +41,7 @@ jobs:
       - name: Use Node ${{env.NODE_VERSION}}
         uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
         with:
-          node-version: ${{env.NODE_VERSION}}
+          node-version-file: '.nvmrc'
           registry-url: 'https://npm.pkg.github.com'
           scope: '@deepnote'
 
diff --git a/.github/workflows/deps.yml b/.github/workflows/deps.yml
index 35927c838c..d3f441cdca 100644
--- a/.github/workflows/deps.yml
+++ b/.github/workflows/deps.yml
@@ -6,9 +6,6 @@ on:
     - cron: '0 9 * * 1'
   workflow_dispatch:
 
-env:
-  NODE_VERSION: 22.x
-
 permissions:
   actions: read
   contents: read
@@ -30,7 +27,7 @@ jobs:
         uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
         with:
           cache: 'npm'
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: '.nvmrc'
           registry-url: 'https://npm.pkg.github.com'
           scope: '@deepnote'
 
@@ -62,7 +59,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: '.nvmrc'
           cache: 'npm'
 
       - name: Install dependencies
diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
index 90f9006ce4..d6fabe5f1a 100644
--- a/.github/workflows/package.yml
+++ b/.github/workflows/package.yml
@@ -7,9 +7,6 @@ on:
     branches: [main]
   workflow_dispatch:
 
-env:
-  NODE_VERSION: 22.x
-
 permissions:
   contents: read
   packages: read
@@ -31,7 +28,7 @@ jobs:
         uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
         with:
           cache: 'npm'
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: '.nvmrc'
           registry-url: 'https://npm.pkg.github.com'
           scope: '@deepnote'
 
diff --git a/.husky/post-checkout b/.husky/post-checkout
index 385cb3aa69..5fdd18ffd2 100755
--- a/.husky/post-checkout
+++ b/.husky/post-checkout
@@ -1 +1 @@
-npm ci
+npm install
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index fca3298da1..7804b104c3 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -58,7 +58,7 @@ The `@deepnote/blocks` package is published on GitHub Packages. To install it, y
    ```
    Replace `YOUR_TOKEN_HERE` with your actual token.
 
-After completing these steps, you can install dependencies normally with `npm ci`. The project's `.npmrc` file is already configured to use GitHub Packages for the `@deepnote` scope.
+After completing these steps, you can install dependencies normally with `npm install`. The project's `.npmrc` file is already configured to use GitHub Packages for the `@deepnote` scope.
 
 On Apple Silicon, you will have to use system versions of `libsodium` and `libzmq` instead of the bundled ones:
 
@@ -78,7 +78,7 @@ npm_config_build_from_source=true npm install zeromq@
 Install the dependecies:
 
 ```shell
-npm ci
+npm install
 # Run this to setup the necessary pre-commit hooks.
 npm run setup-precommit-hook
 python3 -m venv .venv
@@ -277,7 +277,7 @@ Here's an example of a typical workflow:
 
 1. Sync to main (get your fork's main to match vscode-jupyter's main)
 1. Create branch
-1. `npm ci`
+1. `npm install`
 1. `npm run clean`
 1. Start VS code Insiders root
 1. CTRL+SHIFT+B (run the task `compile`)
@@ -354,7 +354,7 @@ Steps to build the extension on your machine once you've cloned the repo:
 ```bash
 > npm install -g @vscode/vsce
 # Perform the next steps in the vscode-jupyter folder.
-> npm ci
+> npm install
 > npm run clean
 > npm run package # This step takes around 10 minutes.
 ```