diff --git a/Dockerfile b/Dockerfile
index 918d4674..9150b220 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@
 FROM cljkondo/clj-kondo:2021.01.20-alpine as clj-kondo
 FROM dotenvlinter/dotenv-linter:3.0.0 as dotenv-linter
 FROM mstruebing/editorconfig-checker:2.3.3 as editorconfig-checker
-FROM yoheimuta/protolint:v0.28.1 as protolint
+FROM yoheimuta/protolint:v0.28.2 as protolint
 FROM golangci/golangci-lint:v1.36.0 as golangci-lint
 FROM koalaman/shellcheck:v0.7.1 as shellcheck
 FROM wata727/tflint:0.24.1 as tflint