diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b665db17..a11b91e1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,6 +7,7 @@ variables:
   ECR_REGISTRY: 886436954922.dkr.ecr.ap-southeast-3.amazonaws.com
   ECR_REPO_NAME: mbugroup/lti-api
   ECR_REPOSITORY: ${ECR_REGISTRY}/${ECR_REPO_NAME}
+  TARGET_PLATFORM: linux/amd64
 
   DOCKER_HOST: unix:///var/run/docker.sock
   DOCKER_TLS_CERTDIR: ""
@@ -59,7 +60,7 @@ build_mr:
   script: |
     set -eu
     echo "Build (MR) : $ECR_REPOSITORY:$IMAGE_TAG"
-    docker build -f Dockerfile -t "$ECR_REPOSITORY:$IMAGE_TAG" .
+    docker build --platform "$TARGET_PLATFORM" -f Dockerfile -t "$ECR_REPOSITORY:$IMAGE_TAG" .
     echo "Pushing image for MR..."
     docker push "$ECR_REPOSITORY:$IMAGE_TAG"
 
@@ -82,7 +83,7 @@ build_push_dev:
   script: |
     set -eu
     echo "Build & push (dev): $ECR_REPOSITORY:$IMAGE_TAG"
-    docker build -f Dockerfile -t "$ECR_REPOSITORY:$IMAGE_TAG" .
+    docker build --platform "$TARGET_PLATFORM" -f Dockerfile -t "$ECR_REPOSITORY:$IMAGE_TAG" .
     docker push "$ECR_REPOSITORY:$IMAGE_TAG"
 
 update_gitops_dev_lti:
@@ -138,7 +139,7 @@ build_push_prod:
   script: |
     set -eu
     echo "Build & push (prod): $ECR_REPOSITORY:$IMAGE_TAG"
-    docker build -f Dockerfile -t "$ECR_REPOSITORY:$IMAGE_TAG" .
+    docker build --platform "$TARGET_PLATFORM" -f Dockerfile -t "$ECR_REPOSITORY:$IMAGE_TAG" .
     docker push "$ECR_REPOSITORY:$IMAGE_TAG"
 
 update_gitops_prod_lti: