diff --git a/.env.example b/.env.example
index 6115d3e..3597352 100644
--- a/.env.example
+++ b/.env.example
@@ -13,4 +13,5 @@ TINYBIRD_TRACKER_TOKEN=p.eyJxxxxx
 TINYBIRD_STATS_TOKEN=p.eyJxxxxx
 
 # Activity Pub Configuration
+GOOGLE_CLOUD_PROJECT=project-id
 ACTIVITYPUB_GCP_BUCKET=bucket-name
diff --git a/compose.yml b/compose.yml
index 52aef5f..67a2591 100644
--- a/compose.yml
+++ b/compose.yml
@@ -103,6 +103,7 @@ services:
       MYSQL_DATABASE: activitypub
       USE_MQ: false
       GCP_BUCKET_NAME: ${ACTIVITYPUB_GCP_BUCKET:?ACTIVITYPUB_GCP_BUCKET environment variable is required}
+      GOOGLE_CLOUD_PROJECT: ${GOOGLE_CLOUD_PROJECT:?GOOGLE_CLOUD_PROJECT envirobment variable is required}
       GOOGLE_APPLICATION_CREDENTIALS: /home/gcs/gcscreds.json
     depends_on:
       - db