diff --git a/.env b/.env
index d75f181..4988930 100644
--- a/.env
+++ b/.env
@@ -9,6 +9,8 @@ SENTRY_EVENT_RETENTION_DAYS=90
 SENTRY_BIND=9000
 # Set SENTRY_MAIL_HOST to a valid FQDN (host/domain name) to be able to send emails!
 # SENTRY_MAIL_HOST=example.com
+# Parallel taskworker processes (higher values increase memory usage; >32 not recommended)
+SENTRY_TASKWORKER_CONCURRENCY=4
 SENTRY_IMAGE=ghcr.io/getsentry/sentry:nightly
 SNUBA_IMAGE=ghcr.io/getsentry/snuba:nightly
 RELAY_IMAGE=ghcr.io/getsentry/relay:nightly
diff --git a/docker-compose.yml b/docker-compose.yml
index c8a5c2b..13db0c5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -745,7 +745,7 @@ services:
     command: run taskworker-scheduler
   taskworker:
     <<: *sentry_defaults
-    command: run taskworker --concurrency=4 --rpc-host=taskbroker:50051 --health-check-file-path=/tmp/health.txt
+    command: run taskworker --concurrency=$SENTRY_TASKWORKER_CONCURRENCY --rpc-host=taskbroker:50051 --health-check-file-path=/tmp/health.txt
     healthcheck:
       <<: *file_healthcheck_defaults
   vroom: