diff --git a/pom.xml b/pom.xml
index c990766cb..f7e696fbd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,7 +47,7 @@
         <x.github.user>nbbrd</x.github.user>
         <x.github.repo>sdmx-dl</x.github.repo>
 
-        <protobuf.version>3.25.5</protobuf.version>
+        <protobuf.version>4.35.0</protobuf.version>
         <flatlaf.version>3.7.1</flatlaf.version>
     </properties>