diff --git a/java/gradle/verification-metadata.xml b/java/gradle/verification-metadata.xml
index c4068012..aa3b8177 100644
--- a/java/gradle/verification-metadata.xml
+++ b/java/gradle/verification-metadata.xml
@@ -459,6 +459,11 @@
             <sha256 value="54bccbca9ae26c102484cda1147cc9a9a36ad1e9440232f24cd365e6452c80af" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="com.google.protobuf" name="com.google.protobuf.gradle.plugin" version="0.9.4">
+         <artifact name="com.google.protobuf.gradle.plugin-0.9.4.pom">
+            <sha256 value="4b03ee00dc5e3d4bbf755b26ee4d6ace2ab00c08315d3b28248910137b080edc" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="com.google.protobuf" name="protobuf-bom" version="3.21.7">
          <artifact name="protobuf-bom-3.21.7.pom">
             <sha256 value="c046ff7f40a6ef9c67650bdec349c3814a5ce880a7b7c788fa4faff13431a9d8" origin="Generated by Gradle"/>
@@ -477,6 +482,14 @@
             <sha256 value="03fdd3a6960342cc29f1196061ec4a896250a32081672908eb6d10cd79ead720" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="com.google.protobuf" name="protobuf-gradle-plugin" version="0.9.4">
+         <artifact name="protobuf-gradle-plugin-0.9.4.jar">
+            <sha256 value="7e554bdec3202ede0a2407f20141d8ca2e9e3ab62429ffa9b21ab0c02f435223" origin="Generated by Gradle"/>
+         </artifact>
+         <artifact name="protobuf-gradle-plugin-0.9.4.pom">
+            <sha256 value="adba1612b20b5cdb9350e12475e25c31db59e80f937466c257cdf3f9b758e96e" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="com.google.protobuf" name="protobuf-java" version="3.21.7">
          <artifact name="protobuf-java-3.21.7.jar">
             <sha256 value="a204ec68748a7b26351ae37a311e8de468f248d1916d5f8dbe812c1289d0a0ff" origin="Generated by Gradle"/>
diff --git a/java/proto/build.gradle.kts b/java/proto/build.gradle.kts
index 4d8d26f2..4de35ff4 100644
--- a/java/proto/build.gradle.kts
+++ b/java/proto/build.gradle.kts
@@ -6,7 +6,7 @@ import subzero.DependencyVersions
 
 plugins {
     id("com.squareup.subzero.java-conventions")
-    id("com.google.protobuf") version "0.9.3"
+    id("com.google.protobuf") version "0.9.4"
 }
 
 dependencies {