diff --git a/connector/connect/pom.xml b/connector/connect/pom.xml
index 5a5440842a..25921c892d 100644
--- a/connector/connect/pom.xml
+++ b/connector/connect/pom.xml
@@ -32,7 +32,7 @@
   <url>https://spark.apache.org/</url>
   <properties>
     <sbt.project.name>connect</sbt.project.name>
-    <protobuf.version>3.21.1</protobuf.version>
+    <protobuf.version>3.21.7</protobuf.version>
     <guava.version>31.0.1-jre</guava.version>
     <io.grpc.version>1.47.0</io.grpc.version>
     <tomcat.annotations.api.version>6.0.53</tomcat.annotations.api.version>