diff --git a/.circleci/config.yml b/.circleci/config.yml
index 3c58063..39c23bf 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -59,6 +59,7 @@ jobs:
       - run: ./lazy.sh devsetup
 
       - run: make zrepl-bin
+      - run: make test-platform-bin
       - run: make vet
       - run: make lint
       - run: make release
@@ -98,6 +99,30 @@ jobs:
               -X POST \
               -d '{"context":"zrepl/publish-ci-artifacts", "state": "success", "description":"CI Build Artifacts for '"$JOB_NAME"'", "target_url":"https://minio.cschwarz.com/minio/zrepl-ci-artifacts/'"$COMMIT"'/"}'
 
+      - run:
+          shell: /bin/bash -eo pipefail
+          when: always
+          command: |
+            if [ -n "$CIRCLE_PR_NUMBER" ]; then # CIRCLE_PR_NUMBER is guaranteed to be only present in forked PRs (external)
+              echo "Forked PR detected. Sry, can't trust you with credentials to external artifact store, use CircleCI's instead."
+              exit 0
+            fi
+            set -u # from now on
+
+            # Trigger Platform Tests
+            # ZREPL_BOT_GIT_PRWN_EU_ACCESS_TOKEN from secrets
+            ## Sync this commit to the GitLab
+            git remote add prwn-gitlab "https://zrepl-bot:$ZREPL_BOT_GIT_PRWN_EU_ACCESS_TOKEN@git.prwn.eu/problame/zrepl.git"
+            REMOTE_REF=circleci/$CIRCLE_BRANCH/$CIRCLE_BUILD_NUM
+            git push -f prwn-gitlab "HEAD:$REMOTE_REF"
+            ## Trigger Tests
+            curl -v --request POST \
+              --header "PRIVATE-TOKEN: $ZREPL_BOT_GIT_PRWN_EU_ACCESS_TOKEN" \
+              --header "Content-Type: application/json" \
+              --data '{ "ref":"'"$REMOTE_REF"'", "variables": [ {"key":"ZREPL_MAIN_REPO_COMMIT", "value": "'"$CIRCLE_SHA1"'" }, { "key":"ZREPL_CI_BUILDJOB", "value": "'"$CIRCLE_JOB"'" } ] } ' \
+              "https://git.prwn.eu/api/v4/projects/13/pipeline"
+
+
       - run:
           shell: /bin/bash -euo pipefail
           command: |
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..488d704
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,16 @@
+build-and-run-platformtests:
+  variables:
+    GIT_STRATEGY: none
+  script:
+    - mkdir artifacts
+    # platformtests are installed by the CI environment
+    - /opt/platformtest-linux-amd64
+      -test.coverprofile artifacts/platformtest.cover
+      -test.v
+      __DEVEL--i-heard-you-like-tests
+      -poolname zreplplatformtest
+      -imagepath /tmp/zreplplatformtest.pool.img
+      -mountpoint /tmp/zreplplatformtest.pool
+  artifacts:
+    paths:
+      - artifacts
diff --git a/.platformtest-ci/download_ci_file.bash b/.platformtest-ci/download_ci_file.bash
new file mode 100755
index 0000000..f42aab8
--- /dev/null
+++ b/.platformtest-ci/download_ci_file.bash
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -euo pipefail
+cd "$(dirname "${BASH_SOURCE[0]}")"
+
+commit="$1"
+build="$2"
+src="$3"
+dst="$4"
+
+[ -n "$commit" -a -n "$build" -a -n "$src" -a -n "$dst" ] || ( echo "arguments must not be empty"; exit 1 )
+
+aws="aws --endpoint-url https://minio.cschwarz.com --no-sign-request"
+
+
+path="s3://zrepl-ci-artifacts/$commit/$build/$src"
+$aws s3 cp "$path" "$dst"