diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..218ed58
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,78 @@
+variables:
+  GIT_SSL_NO_VERIFY: "1"
+
+  # Commit of ghc/ci-images repository from which to pull Docker images
+  DOCKER_REV: cefaee3c742af193e0f7783f87edb0d35374515c
+
+############################################################
+# CI Step
+############################################################
+
+.debian:
+  image: "registry.gitlab.haskell.org/ghc/ci-images/x86_64-linux-deb9:$DOCKER_REV"
+  tags:
+    - x86_64-linux
+
+.darwin:
+  tags:
+    - x86_64-darwin
+
+.test_ghcup_version:
+  script:
+    - ./.gitlab/script/ghcup_version.sh
+  variables:
+    JSON_VERSION: "0.0.1"
+
+.test_ghcup_version:linux:
+  extends:
+    - .test_ghcup_version
+    - .debian
+  before_script:
+    - ./.gitlab/before_script/linux/install_deps.sh
+  variables:
+    OS: "LINUX"
+
+.test_ghcup_version:darwin:
+  extends:
+    - .test_ghcup_version
+    - .darwin
+  before_script:
+    - ./.gitlab/before_script/darwin/install_deps.sh
+  variables:
+    OS: "DARWIN"
+  after_script:
+    - BUILD_DIR=$CI_PROJECT_DIR
+    - echo "Cleaning $BUILD_DIR"
+    - cd $HOME
+    - rm -Rf "$BUILD_DIR"/*
+    - exit 0
+
+
+
+######## linux ########
+
+test:linux:recommended:
+  extends: .test_ghcup_version:linux
+  variables:
+    GHC_VERSION: "recommended"
+
+test:linux:latest:
+  extends: .test_ghcup_version:linux
+  variables:
+    GHC_VERSION: "latest"
+  allow_failure: true
+
+
+######## darwin ########
+
+test:mac:recommended:
+  extends: .test_ghcup_version:darwin
+  variables:
+    GHC_VERSION: "recommended"
+
+test:mac:latest:
+  extends: .test_ghcup_version:darwin
+  variables:
+    GHC_VERSION: "latest"
+  allow_failure: true
+
diff --git a/.gitlab/before_script/darwin/install_deps.sh b/.gitlab/before_script/darwin/install_deps.sh
new file mode 100755
index 0000000..b6de4fa
--- /dev/null
+++ b/.gitlab/before_script/darwin/install_deps.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+set -eux
+
+. "$( cd "$(dirname "$0")" ; pwd -P )/../../ghcup_env"
+
+curl -sSfL https://gitlab.haskell.org/haskell/ghcup/-/raw/master/ghcup > ./ghcup-legacy
+chmod +x ghcup-legacy
+
+./ghcup-legacy install ${GHC_VERSION}
+./ghcup-legacy set ${GHC_VERSION}
+./ghcup-legacy install-cabal
+
+exit 0
diff --git a/.gitlab/before_script/linux/install_deps.sh b/.gitlab/before_script/linux/install_deps.sh
new file mode 100755
index 0000000..25a8c91
--- /dev/null
+++ b/.gitlab/before_script/linux/install_deps.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+set -eux
+
+sudo apt-get update -y
+sudo apt-get install -y libnuma-dev zlib1g-dev libgmp-dev libgmp10 libssl-dev liblzma-dev
+
+. "$( cd "$(dirname "$0")" ; pwd -P )/../../ghcup_env"
+
+curl -sSfL https://gitlab.haskell.org/haskell/ghcup/-/raw/master/ghcup > ./ghcup-legacy
+chmod +x ghcup-legacy
+
+./ghcup-legacy install ${GHC_VERSION}
+./ghcup-legacy set ${GHC_VERSION}
+./ghcup-legacy install-cabal
+
diff --git a/.gitlab/ghcup_env b/.gitlab/ghcup_env
new file mode 100644
index 0000000..9a5ba38
--- /dev/null
+++ b/.gitlab/ghcup_env
@@ -0,0 +1,3 @@
+export GHCUP_INSTALL_BASE_PREFIX="$CI_PROJECT_DIR"
+export PATH="$CI_PROJECT_DIR/.ghcup/bin:$CI_PROJECT_DIR/.local/bin:$PATH"
+
diff --git a/.gitlab/script/ghcup_version.sh b/.gitlab/script/ghcup_version.sh
new file mode 100755
index 0000000..68ad54c
--- /dev/null
+++ b/.gitlab/script/ghcup_version.sh
@@ -0,0 +1,58 @@
+#!/bin/sh
+
+set -eux
+
+. "$( cd "$(dirname "$0")" ; pwd -P )/../ghcup_env"
+
+mkdir -p "$CI_PROJECT_DIR"/.local/bin
+
+ecabal() {
+	cabal --store-dir="$(pwd)"/.store "$@"
+}
+
+
+# build
+ecabal update
+
+if [ "${OS}" = "DARWIN" ] ; then
+	ecabal build -fcurl
+else
+	ecabal build
+fi
+
+cp "$(ecabal new-exec --enable-tests --verbose=0 --offline sh -- -c 'command -v ghcup')" .
+cp "$(ecabal new-exec --enable-tests --verbose=0 --offline sh -- -c 'command -v ghcup-gen')" .
+
+
+# testing
+
+cp ./ghcup "$CI_PROJECT_DIR"/.local/bin/ghcup
+cp ./ghcup-gen "$CI_PROJECT_DIR"/.local/bin/ghcup-gen
+rm -rf "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup
+
+ghcup-gen check -f ghcup-${JSON_VERSION}.json
+
+ghcup numeric-version
+
+ghcup -v -c install ${GHC_VERSION}
+ghcup -v -c set ${GHC_VERSION}
+ghcup -v -c install-cabal
+
+cabal --version
+
+ghcup -v -c debug-info
+
+ghcup -v -c list
+ghcup -v -c list -t ghc
+ghcup -v -c list -t cabal
+
+ghc --version
+ghci --version
+ghc-$(ghc --numeric-version) --version
+ghci-$(ghc --numeric-version) --version
+
+ghcup -v upgrade
+ghcup -v upgrade -f
+
+ghcup -v rm $(ghc --numeric-version)
+