diff --git a/Containerfile b/Containerfile
index 43c89d2..27edcc6 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1 +1 @@
-FROM renovate/renovate:36.43.2
\ No newline at end of file
+FROM renovate/renovate:36.52.1
\ No newline at end of file
diff --git a/host-test.yml b/host-test.yml
index 7e0c18a..0a05ab2 100644
--- a/host-test.yml
+++ b/host-test.yml
@@ -7,6 +7,8 @@ grafana_image: grafana/grafana:9.4.7
 # renovate: versioning=docker
 homebox_image: ghcr.io/hay-kot/homebox:v0.9.2
 # renovate: versioning=docker
-renovate_image: renovate/renovate:36.25.0
+renovate_image: renovate/renovate:36.52.1
 
 image: ffmd/bind9-md-freifunk-net:v2022122301
+image: "{{ renovate_image }}"
+dokuwiki_image: bitnami/dokuwiki:20220731@sha256:989ab52cf2d2e0f84166e114ca4ce88f59546b8f6d34958905f8d81c18cbd759
diff --git a/renovate.json b/renovate.json
index f0f9f22..dd75994 100644
--- a/renovate.json
+++ b/renovate.json
@@ -9,7 +9,7 @@
       "datasourceTemplate": "docker",
       "versioningTemplate": "docker",
       "matchStrings": [
-        "image: (?<depName>.*?):(?<currentValue>.*?)(@sha256:(?<currentDigest>.*?))?\\s"
+        "image: (?<depName>.*?):(?<currentValue>.*?)(@(?<currentDigest>sha256:.*?))?\\s"
       ]
     }
   ]