diff --git a/docker/Dockerfile b/docker/Dockerfile
index 830288e2..c865b09a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -3,7 +3,7 @@ FROM debian:10.9-slim
 # Default google-fluentd to the latest stable.
 # Use `docker build --build-arg REPO_SUFFIX=<CUSTOM_REPO_SUFFIX>` to override
 # the version.
-ARG REPO_SUFFIX=20210810-1
+ARG REPO_SUFFIX=20210822-1
 
 COPY entrypoint.sh Dockerfile /