diff --git a/spec-grpc/pom.xml b/spec-grpc/pom.xml
index 7c33db060..71644135b 100644
--- a/spec-grpc/pom.xml
+++ b/spec-grpc/pom.xml
@@ -96,7 +96,7 @@
             <plugin>
                 <groupId>io.github.ascopes</groupId>
                 <artifactId>protobuf-maven-plugin</artifactId>
-                <version>4.1.2</version>
+                <version>5.1.4</version>
                 <configuration>
                     <skip>${skip.protobuf.generate}</skip>
                     <cleanOutputDirectories>true</cleanOutputDirectories>