diff --git a/build.gradle b/build.gradle
index 8637f634ff3..d762480ad93 100644
--- a/build.gradle
+++ b/build.gradle
@@ -100,7 +100,7 @@ ext {
     oracleVersion = '23.4.0.24.05'
     pahoMqttClientVersion = '1.2.5'
     postgresVersion = '42.7.3'
-    protobufVersion = '4.27.2'
+    protobufVersion = '4.27.3'
     r2dbch2Version = '1.0.0.RELEASE'
     reactorVersion = '2024.0.0-SNAPSHOT'
     resilience4jVersion = '2.2.0'