diff --git a/Dockerfile b/Dockerfile
index d9a2b559..f0d75af4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ FROM mstruebing/editorconfig-checker:2.1.0 as editorconfig-checker
 FROM golangci/golangci-lint:v1.31.0 as golangci-lint
 FROM yoheimuta/protolint:v0.26.0 as protolint
 FROM koalaman/shellcheck:v0.7.1 as shellcheck
-FROM wata727/tflint:0.19.1 as tflint
+FROM wata727/tflint:0.20.1 as tflint
 FROM accurics/terrascan:latest as terrascan
 FROM hadolint/hadolint:latest-alpine as dockerfile-lint
 FROM assignuser/lintr-lib:v0.1.0 as lintr-lib