diff --git a/renovate.json b/renovate.json
index 7cf4374..2a102a0 100644
--- a/renovate.json
+++ b/renovate.json
@@ -14,7 +14,7 @@
       "customType": "regex",
       "description": "Track Tini version in Dockerfile",
       "managerFilePatterns": ["/^Dockerfile$/"],
-      "matchStrings": ["TINI_VERSION\\s+\\\"v?(?<currentValue>[0-9\\.]+)\\\""],
+      "matchStrings": ["\"TINI_VERSION\"\\s+\"v?(?<currentValue>[0-9\\.]+)\""],
       "depNameTemplate": "krallin/tini",
       "datasourceTemplate": "github-releases",
       "versioningTemplate": "semver"