diff --git a/Makefile b/Makefile
index b83fc4c..762fd71 100644
--- a/Makefile
+++ b/Makefile
@@ -14,9 +14,9 @@ BUILD_IMAGE_FULLY_QUALIFIED=${BUILD_IMAGE_REGISTRY_HOST}/${BUILD_IMAGE_NAMESPACE
 BUILD_IMAGE_UNQUALIFIED=${BUILD_IMAGE_NAMESPACE}/${BUILD_IMAGE_REPOSITORY}:${BUILD_IMAGE_VERSION}
 
 # MARKDOWNLINT_IMAGE
-MARKDOWNLINT_IMAGE_REGISTRY_HOST?=docker.io
-MARKDOWNLINT_IMAGE_REPOSITORY=volkerraschek/markdownlint
-MARKDOWNLINT_IMAGE_VERSION?=0.43.0 # renovate: datasource=docker registryUrl=https://docker.io depName=volkerraschek/markdownlint
+MARKDOWNLINT_IMAGE_REGISTRY_HOST?=git.cryptic.systems
+MARKDOWNLINT_IMAGE_REPOSITORY?=volker.raschek/markdownlint
+MARKDOWNLINT_IMAGE_VERSION?=0.43.0 # renovate: datasource=docker registryUrl=https://git.cryptic.systems depName=volker.raschek/markdownlint
 MARKDOWNLINT_IMAGE_FULLY_QUALIFIED=${MARKDOWNLINT_IMAGE_REGISTRY_HOST}/${MARKDOWNLINT_IMAGE_REPOSITORY}:${MARKDOWNLINT_IMAGE_VERSION}
 
 # BUILD CONTAINER IMAGE