diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 125674e..a584e88 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -53,7 +53,7 @@ jobs:
               env:
                   FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
               with:
-                  args: "deploy -c ./fly.dev.toml"
+                  args: "deploy -c ./fly.dev.toml --build-arg DATOCMS_API_TOKEN=${{ secrets.DATOCMS_API_TOKEN }}"
 
     deploy_prod:
         if: github.ref == 'refs/heads/production'
@@ -66,5 +66,5 @@ jobs:
               env:
                   FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
               with:
-                  args: "deploy -c ./fly.prod.toml"
+                  args: "deploy -c ./fly.prod.toml --build-arg DATOCMS_API_TOKEN=${{ secrets.DATOCMS_API_TOKEN }}"
 # TODO: on pull_request, deploy 24hour-long deployment at {commit_short_hash}.shellphone.app, provision db and seed data