diff --git a/release-please-config.json b/release-please-config.json
index 772c33f..adcce71 100644
--- a/release-please-config.json
+++ b/release-please-config.json
@@ -1,6 +1,7 @@
 {
   "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
   "release-type": "python",
+  "pull-request-title-pattern": "release: v${version}",
   "packages": {
     ".": {
       "package-name": "",