diff --git a/.github-ci.sh b/.github-ci.sh
index db96820..393bff3 100755
--- a/.github-ci.sh
+++ b/.github-ci.sh
@@ -11,10 +11,6 @@ export GHCUP_META_DOWNLOAD_URL
 GHCUP_META_VERSION_URL="file://$(pwd)/.available-versions"
 export GHCUP_META_VERSION_URL
 
-# dependencies
-edo sudo apt-get update -y
-edo sudo apt-get install -y libnuma-dev
-
 # install GHCs
 edo ./ghcup -v install 8.2.2
 edo ./ghcup -v install 8.4.3
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 628c7d7..07154a4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,10 +8,20 @@ variables:
 # CI Step
 ############################################################
 
-test:
+test:linux:
   image: "registry.gitlab.haskell.org/ghc/ci-images/x86_64-linux-deb9:$DOCKER_REV"
+  before_script:
+    - sudo apt-get update -y && sudo apt-get install -y libnuma-dev
   script:
     - ./.github-ci.sh
   dependencies: []
   tags:
     - x86_64-linux
+
+test:mac:
+  script:
+    - ./.github-ci.sh
+  dependencies: []
+  tags:
+    - x86_64-darwin
+