diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index d47536d..bd37eac 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -3,67 +3,70 @@ concurrency: build
 
 on:
   push:
-
   workflow_call:
-    inputs:
-      resolver:
-        required: false
-        type: string
-      coverage:
-        required: false
-        type: boolean
-
-env:
-  extra_stack_args:
-  extra_key_part:
 
 jobs:
-  test:
+  build:
     name: Build
     runs-on: ubuntu-latest
 
     steps:
-      - name: Set environment
-        if: ${{ inputs.resolver != '' }}
-        run: |
-          echo "extra_stack_args=--resolver ${{ inputs.resolver }}" >> $GITHUB_ENV
-          echo "extra_key_part=-resolver-${{ inputs.resolver }}" >> $GITHUB_ENV
-
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Setup
-        uses: haskell-actions/setup@v2
-        with:
-          enable-stack: true
-
       - name: Cache dependencies
         uses: actions/cache@v4
         with:
           path: ~/.stack
-          key: stack${{ env.extra_key_part }}-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('package.yaml', 'stack.yaml') }}
+          key: stack-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('package.yaml', 'stack.yaml') }}
 
       - name: Cache build artifacts
-        if: ${{ !inputs.coverage }}
         uses: actions/cache@v4
         with:
           path: .stack-work
-          key: stack${{ env.extra_key_part}}-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('app/**', 'bench/**', 'src/**', 'test/**') }}
+          key: stack-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('app/**', 'bench/**', 'src/**', 'test/**') }}
 
-      - name: Build and test
-        if: ${{ !inputs.coverage }}
-        run: stack build --test --bench --no-run-benchmarks ${{ env.extra_stack_args }}
+      - name: Setup
+        uses: haskell-actions/setup@v2
+        with:
+          enable-stack: true
+
+      - name: Build
+        run: stack build --test --bench --haddock --no-run-benchmarks --no-haddock-deps
 
-      - name: Coverage
-        id: coverage
-        if: ${{ inputs.coverage }}
+      - id: paths
+        name: Get path
+        if: ${{ github.ref_name == 'pages' }}
         run: |
-          stack build --test --bench --no-run-benchmarks ${{ env.extra_stack_args }} --coverage
-          echo "coverage-report=$(stack path --local-hpc-root)" >> $GITHUB_OUTPUT
+          echo "docs=$(stack path --local-doc-root --no-haddock-deps)/ninetynine-$(stack query locals ninetynine version)" >> $GITHUB_OUTPUT
 
-      - name: Upload coverage report
-        if: ${{ inputs.coverage }}
+      - name: Upload documentation
         uses: actions/upload-artifact@v4
         with:
-          name: coverage-report
-          path: ${{ steps.coverage.outputs.coverage-report }}
+          name: docs
+          path: ${{ steps.paths.outputs.docs }}
+
+  deploy:
+    name: Deploy documentation
+    if: github.ref_name == 'pages'
+    needs: build
+    concurrency: deploy
+    runs-on: ubuntu-latest
+
+    # Permissions needed to deploy to GitHub Pages.
+    permissions:
+      pages: write
+      id-token: write
+
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: docs
+          path: _site
+
+      - id: customize
+        run: ln -s _site/Problems.html _site/index.html
+
+      - uses: actions/upload-pages-artifact@v3
+
+      - uses: actions/deploy-pages@v4
diff --git a/.github/workflows/coverage.yaml b/.github/workflows/coverage.yaml
deleted file mode 100644
index 3cd593b..0000000
--- a/.github/workflows/coverage.yaml
+++ /dev/null
@@ -1,13 +0,0 @@
-name: Coverage
-
-on:
-  schedule:
-    - cron: '23 1 4 * *'
-
-  workflow_dispatch:
-
-jobs:
-  coverage:
-    uses: ./.github/workflows/build.yaml
-    with:
-      coverage: true
diff --git a/.github/workflows/integration.yaml b/.github/workflows/integration.yaml
deleted file mode 100644
index 7f038a9..0000000
--- a/.github/workflows/integration.yaml
+++ /dev/null
@@ -1,13 +0,0 @@
-name: Continuous Integration
-
-on:
-  schedule:
-    - cron: '38 7 26 * *'
-
-  workflow_dispatch:
-
-jobs:
-  test:
-    uses: ./.github/workflows/build.yaml
-    with:
-      resolver: nightly