diff --git a/createrepo.sh b/createrepo.sh
index 0e6455a..1aba82b 100644
--- a/createrepo.sh
+++ b/createrepo.sh
@@ -3,7 +3,11 @@
 set -e
 
 CONTAINER_RUNTIME=$(which docker)
-CREATEREPO_IMAGE_VERSION=0.17.2
+
+CREATEREPO_IMAGE_REGISTRY_HOST=docker.io
+CREATEREPO_IMAGE_NAME=volkerraschek/createrepo
+CREATEREPO_IMAGE_VERSION=0.17.1
+CREATEREPO_IMAGE_FULLY_QUALIFIED=${CREATEREPO_IMAGE_REGISTRY_HOST}/${CREATEREPO_IMAGE_NAME}:${CREATEREPO_IMAGE_VERSION}
 
 CUSTOM_UID=$(getent passwd ${USER} | cut -d ':' -f 3)
 CUSTOM_GID=$(getent passwd ${USER} | cut -d ':' -f 4)
@@ -16,4 +20,4 @@ ${CONTAINER_RUNTIME} run \
   --volume ${REPO_DIR}:${REPO_DIR} \
   --workdir ${REPO_DIR} \
   --user ${CUSTOM_UID}:${CUSTOM_GID} \
-  docker.io/volkerraschek/createrepo:${CREATEREPO_IMAGE_VERSION} ${@}
+  ${CREATEREPO_IMAGE_FULLY_QUALIFIED} ${@}
diff --git a/renovate.json b/renovate.json
index 629b3b6..6e6f887 100644
--- a/renovate.json
+++ b/renovate.json
@@ -22,13 +22,15 @@
   "rebaseWhen": "behind-base-branch",
   "regexManagers": [
     {
-      "description": "Update version",
+      "description": "Update container image of createrepo.sh",
       "fileMatch": [
-        "^Makefile$"
+        "^createrepo.sh$"
       ],
       "matchStrings": [
-        "CREATE_REPO_VERSION\\?=(?<currentValue>.*) # renovate: datasource=(?<datasource>.*) depName=(?<depName>.*)( lookupName=(?<lookupName>.*))?( versioning=(?<versioning>.*))?"
-      ]
+        "^CREATEREPO_IMAGE_NAME=(?<depName>.*)$",
+        "^CREATEREPO_IMAGE_VERSION=(?<currentValue>.*)$"
+      ],
+      "datasourceTemplate": "docker"
     }
   ]
 }