diff --git a/pom.xml b/pom.xml
index 3d2e1589e4f..90ed993f285 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
     <googleapis.commit>44d6bef0ca6db8bba3fb324c8186e694bcc4829c</googleapis.commit>
     <gax.version>2.20.1</gax.version>
     <grpc.version>1.51.0</grpc.version>
-    <protobuf.version>3.21.10</protobuf.version>
+    <protobuf.version>3.21.12</protobuf.version>
     <auto-value.version>1.10.1</auto-value.version>
   </properties>