diff --git a/java-core/pom.xml b/java-core/pom.xml
index 471ab96ef390..e0e892a54c9f 100644
--- a/java-core/pom.xml
+++ b/java-core/pom.xml
@@ -159,7 +159,7 @@
     <google.api.version>2.0.0</google.api.version>
     <google.http.version>1.42.3</google.http.version>
     <grpc.version>1.50.2</grpc.version>
-    <protobuf.version>3.21.8</protobuf.version>
+    <protobuf.version>3.21.9</protobuf.version>
     <opencensus.version>0.31.1</opencensus.version>
     <annotations-api.version>1.3.2</annotations-api.version>
     <guava.version>31.1-jre</guava.version>