diff --git a/.github/renovate.json b/.github/renovate.json
index 30cd72d..e46bfa0 100644
--- a/.github/renovate.json
+++ b/.github/renovate.json
@@ -19,7 +19,7 @@
       "fileMatch": ["/Dockerfile$"],
       "matchStringsStrategy": "any",
       "matchStrings": [
-        "\\s\\s(?<package>[a-z0-9][a-z0-9-]+)=(?<currentValue>[a-z0-9-_.]+)\\s+"
+        "\\s\\s(?<package>[a-z0-9][a-z0-9-_]+)=(?<currentValue>[a-z0-9-_.]+)\\s+"
       ],
       "versioningTemplate": "loose",
       "datasourceTemplate": "repology",