diff --git a/fluentbit/Dockerfile b/fluentbit/Dockerfile
index d68c844..856adeb 100644
--- a/fluentbit/Dockerfile
+++ b/fluentbit/Dockerfile
@@ -1,4 +1,4 @@
-FROM fluent/fluent-bit:4.0.8
+FROM fluent/fluent-bit:5.1.1
 
 COPY *.yaml /fluent-bit/etc/
 COPY *.lua /fluent-bit/etc/
diff --git a/fluentbit/fluent-bit.yaml b/fluentbit/fluent-bit.yaml
index 7182560..f02f8cc 100644
--- a/fluentbit/fluent-bit.yaml
+++ b/fluentbit/fluent-bit.yaml
@@ -1,5 +1,6 @@
 service:
   log_level: info
+  flush: 15
 parsers:
   - name: docker_log_parser
     format: json