diff --git a/renovate.json b/renovate.json
index b3b8025dc..9d23111e2 100644
--- a/renovate.json
+++ b/renovate.json
@@ -58,7 +58,7 @@
         "(^|\\/).*\\.sh$"
       ],
       "matchStrings": [
-        "# renovate: datasource=(?<datasource>.+?) depName=(?<depName>.+?)\\s.*?(tag|_VERSION) ?(\\??=|\\: ?) ?\\\"?(?<currentValue>.+?)?\\\"? extractVersionTemplate=\\\"?(?<extractVersionTemplate>.*?)\\\"?\\s"
+        "# renovate: datasource=(?<datasource>.+?) depName=(?<depName>.+?)\\s.*?(tag|_VERSION) ?(?<separator>\\??=|\\: ?) ?\\\"?(?<currentValue>.+?)?\\\"?( extractVersionTemplate=\\\"?(?<extractVersionTemplate>.*?))?\\\"?\\s"
       ]
     },
     {