diff --git a/.env.example b/.env.example
index 32e06cc..d1448a9 100644
--- a/.env.example
+++ b/.env.example
@@ -8,5 +8,9 @@ TRUSTED_KEYS=
 # Leave empty to disable
 SNI=
 
+# Extra parameters to pass to command line for OrbitalBeat.
+# For example: -http2 -http3
+EXTRA_CMDLINE=
+
 # Leave empty for default
 SRG_TASKLIMIT=
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 621d481..85b1afe 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -56,6 +56,7 @@ services:
       -sni "${SNI}"
       -trusted_keys "${TRUSTED_KEYS}"
       -listen ":${LISTEN_PORT}"
+      ${EXTRA_CMDLINE}
     tmpfs:
       - /tmp
     ports: