diff --git a/Dockerfile b/Dockerfile
index c0f42d72..44fdd795 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,7 +26,7 @@ FROM mvdan/shfmt:v3.7.0 as shfmt
 FROM rhysd/actionlint:1.6.26 as actionlint
 FROM scalameta/scalafmt:v3.7.17 as scalafmt
 FROM zricethezav/gitleaks:v8.18.1 as gitleaks
-FROM yoheimuta/protolint:0.47.2 as protolint
+FROM yoheimuta/protolint:0.47.3 as protolint
 
 FROM python:3.12.1-alpine3.19 as base_image