diff --git a/.github/workflows/TagBot.yml b/.github/workflows/TagBot.yml
index d77d3a0c36..f8fd014ef2 100644
--- a/.github/workflows/TagBot.yml
+++ b/.github/workflows/TagBot.yml
@@ -9,3 +9,4 @@ jobs:
       - uses: JuliaRegistries/TagBot@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
+          ssh: ${{ secrets.DOCUMENTER_KEY }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000000..2146de3de2
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,50 @@
+name: CI
+on:
+  push:
+    branches: [master]
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  test:
+    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        # Since MOI doesn't have binary dependencies, only test on a subset of
+        # possible platforms.
+        include:
+          - version: '1'
+            os: ubuntu-latest
+            arch: x64
+          - version: '1.0'
+            os: ubuntu-latest
+            arch: x64
+          - version: '1.0'
+            os: ubuntu-latest
+            arch: x86
+          - version: '1'
+            os: windows-latest
+            arch: x64
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.version }}
+          arch: ${{ matrix.arch }}
+      - uses: actions/cache@v1
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v1
+        with:
+          file: lcov.info
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
new file mode 100644
index 0000000000..e8de6b8232
--- /dev/null
+++ b/.github/workflows/documentation.yml
@@ -0,0 +1,23 @@
+name: Documentation
+on:
+  push:
+    branches: [master]
+    tags: '*'
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@latest
+        with:
+          # Build documentation on Julia 1.0
+          version: '1.0'
+      - name: Install dependencies
+        run: julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd())); Pkg.instantiate()'
+      - name: Build and deploy
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # For authentication with GitHub Actions token
+          DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }} # For authentication with SSH deploy key
+        run: julia --project=docs/ docs/make.jl
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 1b03c6c178..0000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,38 +0,0 @@
-## Documentation: http://docs.travis-ci.com/user/languages/julia/
-language: julia
-codecov: true
-git:
-  depth: 99999999
-branches:
-  only:
-    - master
-    - /^release-.*$/
-    # Matches tags (needed to build documentation)
-    - /^v\d+\.\d+(\.\d+)?(-\S*)?$/
-# Integration with JuMP-dev gitter channel
-notifications:
-  email: false
-  webhooks:
-    urls:
-      - https://webhooks.gitter.im/e/cb052648b833828852b4
-    on_success: change  # options: [always|never|change] default: always
-    on_failure: always  # options: [always|never|change] default: always
-    on_start: never     # options: [always|never|change] default: always
-jobs:
-  include:
-    - os: linux
-      arch: x64
-      julia: 1
-    - os: linux
-      arch: x64
-      julia: 1.0
-    - os: linux
-      arch: x86  # Test 32-bit on LTS
-      julia: 1.0
-    - stage: "Documentation"
-      julia: 1.0
-      os: linux
-      script:
-        - julia --project=docs/ -e 'import Pkg; Pkg.instantiate(); Pkg.develop(Pkg.PackageSpec(path=pwd()))'
-        - julia --project=docs/ docs/make.jl
-      after_success: skip
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index fdeaf70812..0000000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-environment:
-  matrix:
-  - julia_version: 1.0
-
-platform:
-  - x86 # 32-bit
-  - x64 # 64-bit
-
-## uncomment the following lines to allow failures on nightly julia
-## (tests will run but not make your overall status red)
-#matrix:
-#  allow_failures:
-#  - julia_version: latest
-
-branches:
-  only:
-    - master
-    - /release-.*/
-
-notifications:
-  - provider: Email
-    on_build_success: false
-    on_build_failure: false
-    on_build_status_changed: false
-
-install:
-  - ps: iex ((new-object net.webclient).DownloadString("https://raw.githubusercontent.com/JuliaCI/Appveyor.jl/version-1/bin/install.ps1"))
-
-build_script:
-  - echo "%JL_BUILD_SCRIPT%"
-  - C:\julia\bin\julia -e "%JL_BUILD_SCRIPT%"
-
-test_script:
-  - echo "%JL_TEST_SCRIPT%"
-  - C:\julia\bin\julia -e "%JL_TEST_SCRIPT%"