diff --git a/pom.xml b/pom.xml
index 0bfbdcb2..e14d789f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -66,7 +66,7 @@
     <dependency.netty.version>4.1.78.Final</dependency.netty.version>
     <dependency.osgi.version>6.0.0</dependency.osgi.version>
     <dependency.proto.version>2.9.1</dependency.proto.version>
-    <dependency.protobuf.version>3.21.2</dependency.protobuf.version>
+    <dependency.protobuf.version>3.21.3</dependency.protobuf.version>
     <dependency.revapi.version>0.27.0</dependency.revapi.version>
     <dependency.scala.version>2.13.8</dependency.scala.version>
     <dependency.slf4j.version>1.7.36</dependency.slf4j.version>