diff --git a/pom.xml b/pom.xml
index 7762cc79..33b88309 100644
--- a/pom.xml
+++ b/pom.xml
@@ -98,7 +98,7 @@
     <oval.version>3.2.1</oval.version>
     <pekko.version>1.1.1</pekko.version>
     <pekko.http.version>1.0.1</pekko.http.version>
-    <protobuf.version>3.25.3</protobuf.version>
+    <protobuf.version>4.28.2</protobuf.version>
     <scala.version>2.13</scala.version>
     <scala.library.version>2.13.15</scala.library.version>
     <slf4j.version>2.0.16</slf4j.version>