diff --git a/Makefile b/Makefile
index e60d0f7..b83fc4c 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,7 @@ BUILD_IMAGE_UNQUALIFIED=${BUILD_IMAGE_NAMESPACE}/${BUILD_IMAGE_REPOSITORY}:${BUI
 # MARKDOWNLINT_IMAGE
 MARKDOWNLINT_IMAGE_REGISTRY_HOST?=docker.io
 MARKDOWNLINT_IMAGE_REPOSITORY=volkerraschek/markdownlint
-MARKDOWNLINT_IMAGE_VERSION?=0.39.0 # renovate: datasource=docker registryUrl=https://docker.io depName=volkerraschek/markdownlint
+MARKDOWNLINT_IMAGE_VERSION?=0.43.0 # renovate: datasource=docker registryUrl=https://docker.io depName=volkerraschek/markdownlint
 MARKDOWNLINT_IMAGE_FULLY_QUALIFIED=${MARKDOWNLINT_IMAGE_REGISTRY_HOST}/${MARKDOWNLINT_IMAGE_REPOSITORY}:${MARKDOWNLINT_IMAGE_VERSION}
 
 # BUILD CONTAINER IMAGE