diff --git a/Dockerfile b/Dockerfile
index ff6ba85..c7defec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ ENV UID=991 GID=991 \
     APC_SHM_SIZE=128M \
     OPCACHE_MEM_SIZE=128 \
     MEMORY_LIMIT=512M \
-    CRON_PERIOD=15m \
+    CRON_PERIOD=5m \
     CRON_MEMORY_LIMIT=1g \
     TZ=Etc/UTC \
     DB_TYPE=sqlite3 \