diff --git a/Dockerfile b/Dockerfile
index 95df00b8..32b5d172 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,7 +25,7 @@ FROM mvdan/shfmt:v3.8.0 as shfmt
 FROM rhysd/actionlint:1.7.1 as actionlint
 FROM scalameta/scalafmt:v3.8.1 as scalafmt
 FROM zricethezav/gitleaks:v8.18.3 as gitleaks
-FROM yoheimuta/protolint:0.49.7 as protolint
+FROM yoheimuta/protolint:0.50.2 as protolint
 FROM ghcr.io/clj-kondo/clj-kondo:2024.05.24-alpine as clj-kondo
 FROM dart:3.4.2-sdk as dart
 FROM mcr.microsoft.com/dotnet/sdk:8.0.301-alpine3.19 as dotnet-sdk