diff --git a/build.gradle b/build.gradle
index 9910741ee..5a5b8d953 100644
--- a/build.gradle
+++ b/build.gradle
@@ -11,7 +11,7 @@ buildscript {
         springBootVersion = '4.1.0'
         mariadbJdbcVersion = '2.7.15' // Bumping to v3 breaks some pipeline jobs, so pinning to v2 for now. v2 (current version) is stable and will be supported until about September 2025 (https://mariadb.com/kb/en/about-mariadb-connector-j/).
         grpcVersion = '1.83.0'
-        protobufVersion = '4.35.1'
+        protobufVersion = '4.36.0'
         httpcore5Version = '5.4.3' // spring-boot 4.1.0 has this pinned at 5.4.2.  5.4.3 fixes CVE-2026-54399.  Can remove this on future spring-boot update.
     }
     repositories {