diff --git a/.github/actions/pnpm-install/action.yml b/.github/actions/pnpm-install/action.yml
index 3f310773..b4225457 100644
--- a/.github/actions/pnpm-install/action.yml
+++ b/.github/actions/pnpm-install/action.yml
@@ -1,10 +1,13 @@
 name: Install dependencies
-description: Set up pnpm and Node.js, restore the pnpm store from the cache and run pnpm install
+description: Set up pnpm and Node.js, restore caches and run pnpm install
 
 inputs:
   node-version:
     description: Node.js version passed to actions/setup-node
     required: true
+  ignore-scripts:
+    description: Skip the prepare scripts that build the workspace packages
+    default: "false"
 
 runs:
   using: composite
@@ -28,8 +31,22 @@ runs:
         key: pnpm-store-${{ runner.os }}-${{ steps.store.outputs.week }}-${{ hashFiles('**/package.json', 'pnpm-workspace.yaml') }}
         restore-keys: pnpm-store-${{ runner.os }}-
 
+    # The prepare scripts run tsc --build and webpack, both incremental when
+    # their previous output is present. Every run saves its output and the
+    # next run starts from the most recent one.
+    - if: inputs.ignore-scripts != 'true'
+      uses: actions/cache@v6
+      with:
+        path: |
+          packages/*/dist
+          plugins/*/dist
+          packages/*/node_modules/.cache
+          plugins/*/node_modules/.cache
+        key: build-${{ runner.os }}-${{ github.sha }}
+        restore-keys: build-${{ runner.os }}-
+
     - shell: bash
-      run: pnpm i --no-frozen-lockfile
+      run: pnpm i --no-frozen-lockfile ${{ inputs.ignore-scripts == 'true' && '--ignore-scripts' || '' }}
     # Drop packages the restored store had but this install did not use, so
     # the snapshot does not grow with every version bump.
     - shell: bash
diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index caa9a1a0..8b321f19 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -96,6 +96,7 @@ jobs:
     - uses: ./.github/actions/pnpm-install
       with:
         node-version: ${{ env.NODE_VERSION }}
+        ignore-scripts: true
     - run: pnpm run lint
 
   build:
@@ -106,6 +107,7 @@ jobs:
     - uses: ./.github/actions/pnpm-install
       with:
         node-version: ${{ env.NODE_VERSION }}
+        ignore-scripts: true
     - run: pnpm run build-mod
     # Upload build to artifacts
     - name: Upload build to artifacts