diff --git a/docker-compose.yml b/docker-compose.yml
index 187fa8b..3c9a454 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -477,6 +477,7 @@ services:
       context: apps/cic-ussd
       dockerfile: docker/Dockerfile
     environment:
+      APP_PASSWORD_PEPPER: ${APP_PASSWORD_PEPPER:-"QYbzKff6NhiQzY3ygl2BkiKOpER8RE/Upqs/5aZWW+I="}
       DATABASE_USER: grassroots
       DATABASE_HOST: postgres
       DATABASE_PORT: 5432
@@ -508,6 +509,7 @@ services:
       context: apps/cic-ussd
       dockerfile: docker/Dockerfile
     environment:
+      APP_PASSWORD_PEPPER: ${APP_PASSWORD_PEPPER:-"QYbzKff6NhiQzY3ygl2BkiKOpER8RE/Upqs/5aZWW+I="}
       DATABASE_USER: grassroots
       DATABASE_HOST: postgres
       DATABASE_PORT: 5432
@@ -532,6 +534,7 @@ services:
       context: apps/cic-ussd/
       dockerfile: docker/Dockerfile
     environment:
+      APP_PASSWORD_PEPPER: ${APP_PASSWORD_PEPPER:-"QYbzKff6NhiQzY3ygl2BkiKOpER8RE/Upqs/5aZWW+I="}
       DATABASE_USER: grassroots
       DATABASE_HOST: postgres
       DATABASE_PORT: 5432