diff --git a/.github/renovate.json5 b/.github/renovate.json5
index 8e31ad0..7b75c58 100644
--- a/.github/renovate.json5
+++ b/.github/renovate.json5
@@ -7,6 +7,7 @@
   dependencyDashboard: true,
   regexManagers: [
     {
+      customType: 'regex',
       fileMatch: [
         '^rust-toolchain\\.toml$',
         'Cargo.toml$',