diff --git a/renovate.json b/renovate.json
index ee4e763c36..434701f663 100644
--- a/renovate.json
+++ b/renovate.json
@@ -12,8 +12,8 @@
   "customManagers": [
     {
       "customType": "regex",
-      "fileMatch": [
-        "^gax-java/dependencies\\.properties$"
+      "managerFilePatterns": [
+        "/^gax-java/dependencies\\.properties$/"
       ],
       "matchStrings": [
         "=(?<depName>.+\\:.+?):(?<currentValue>.+?)\\n"
@@ -22,8 +22,8 @@
     },
     {
       "customType": "regex",
-      "fileMatch": [
-        "^gax-java/dependencies\\.properties$"
+      "managerFilePatterns": [
+        "/^gax-java/dependencies\\.properties$/"
       ],
       "matchStrings": [
         "version\\.google_java_format=(?<currentValue>.+?)\\n"
@@ -33,9 +33,9 @@
     },
     {
       "customType": "regex",
-      "fileMatch": [
-        "^gax-java/dependencies\\.properties$",
-        "^\\.cloudbuild/library_generation/library_generation.*\\.Dockerfile$"
+      "managerFilePatterns": [
+        "/^gax-java/dependencies\\.properties$/",
+        "/^\\.cloudbuild/library_generation/library_generation.*\\.Dockerfile$/"
       ],
       "matchStrings": [
         "version\\.io_grpc=(?<currentValue>.+?)\\n",
@@ -46,8 +46,8 @@
     },
     {
       "customType": "regex",
-      "fileMatch": [
-        "^.kokoro/presubmit/graalvm-native.*.cfg$"
+      "managerFilePatterns": [
+        "/^.kokoro/presubmit/graalvm-native.*.cfg$/"
       ],
       "matchStrings": [
         "value: \"gcr.io/cloud-devrel-kokoro-resources/graalvm:(?<currentValue>.*?)\"",
@@ -58,8 +58,8 @@
     },
     {
       "customType": "regex",
-      "fileMatch": [
-        "^.cloudbuild/*"
+      "managerFilePatterns": [
+        "/^.cloudbuild/*/"
       ],
       "matchStrings": [
         "  _JAVA_SHARED_CONFIG_VERSION: '(?<currentValue>.+?)'"
@@ -69,8 +69,8 @@
     },
     {
       "customType": "regex",
-      "fileMatch": [
-        "^.cloudbuild/library_generation/library_generation.*\\.Dockerfile$"
+      "managerFilePatterns": [
+        "/^.cloudbuild/library_generation/library_generation.*\\.Dockerfile$/"
       ],
       "matchStrings": [
         "OWLBOT_CLI_COMMITTISH=(?<currentDigest>.*?)\\n"