diff --git a/Dockerfile b/Dockerfile
index a7dc064..bfaa795 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM eclipse-temurin:21.0.6_7-jre-alpine@sha256:4e9ab608d97796571b1d5bbcd1c9f430a89a5f03fe5aa6c093888ceb6756c502
 
 ENV REVIEWDOG_VERSION=v0.20.3
-ENV CHECKSTYLE_VERSION=10.21.3
+ENV CHECKSTYLE_VERSION=10.21.4
 
 SHELL ["/bin/ash", "-eo", "pipefail", "-c"]